Direction of Country
December 9, 2024
From:
to:
|
29.4
Right Direction
|
62.8
Wrong Track
|
| Poll | Date | Sample | Right Direction | Wrong Track | Spread |
|---|---|---|---|---|---|
| PowerVoter Average | 4/20 - 5/3 | -- | 29.4 | 62.8 | -33.4 |
| Economist/YouGov | 4/30 - 5/3 | 1340 RV | 27 | 62 | -35 |
| Politico/Morning Consult | 4/29 - 5/2 | 2000 RV | 32 | 68 | -36 |
| Economist/YouGov | 4/26 - 4/27 | 1336 RV | 27 | 62 | -35 |
| Reuters/Ipsos | 4/25 - 4/26 | 1005 A | 25 | 61 | -36 |
| Rasmussen Reports | 4/24 - 4/28 | 2500 LV | 29 | 65 | -36 |
| Politico/Morning Consult | 4/22 - 4/25 | 2004 RV | 32 | 68 | -36 |
| Harvard-Harris | 4/20 - 4/21 | 1966 RV | 34 | 58 | -24 |
| Rasmussen Reports | 4/17 - 4/21 | 2500 LV | 31 | 63 | -32 |
| Economist/YouGov | 4/16 - 4/19 | 1260 RV | 30 | 61 | -31 |
| Politico/Morning Consult | 4/15 - 4/17 | 2005 RV | 34 | 66 | -32 |
| Reuters/Ipsos | 4/11 - 4/12 | 1005 A | 25 | 61 | -36 |
| Rasmussen Reports | 4/10 - 4/14 | 2500 LV | 30 | 64 | -34 |
| Economist/YouGov | 4/9 - 4/12 | 1303 RV | 28 | 60 | -32 |
| Politico/Morning Consult | 4/8 - 4/11 | 2005 RV | 31 | 69 | -38 |
| Rasmussen Reports | 4/3 - 4/7 | 2500 LV | 30 | 64 | -34 |
| Economist/YouGov | 4/2 - 4/5 | 1287 RV | 29 | 60 | -31 |
| Politico/Morning Consult | 4/1 - 4/4 | 2003 RV | 32 | 68 | -36 |
| Reuters/Ipsos | 3/28 - 3/29 | 1005 A | 25 | 61 | -36 |
| Rasmussen Reports | 3/27 - 3/31 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 3/26 - 3/29 | 1313 RV | 28 | 61 | -33 |
| Politico/Morning Consult | 3/25 - 3/27 | 2006 RV | 30 | 70 | -40 |
| Harvard-Harris | 3/23 - 3/24 | 1990 RV | 34 | 58 | -24 |
| Rasmussen Reports | 3/20 - 3/24 | 2500 LV | 32 | 63 | -31 |
| Economist/YouGov | 3/19 - 3/22 | 1270 RV | 28 | 61 | -33 |
| NBC News | 3/18 - 3/22 | 790 RV | 22 | 71 | -49 |
| Politico/Morning Consult | 3/18 - 3/21 | 2005 RV | 32 | 68 | -36 |
| Reuters/Ipsos | 3/14 - 3/15 | 1005 A | 27 | 61 | -34 |
| Rasmussen Reports | 3/13 - 3/17 | 2500 LV | 29 | 65 | -36 |
| Economist/YouGov | 3/12 - 3/15 | 1292 RV | 26 | 62 | -36 |
| Politico/Morning Consult | 3/11 - 3/14 | 2005 RV | 31 | 69 | -38 |
| Monmouth | 3/10 - 3/14 | 746 RV | 24 | 73 | -49 |
| Rasmussen Reports | 3/6 - 3/10 | 2500 LV | 29 | 65 | -36 |
| Economist/YouGov | 3/5 - 3/8 | 1227 RV | 31 | 58 | -27 |
| Politico/Morning Consult | 3/4 - 3/6 | 2005 RV | 38 | 62 | -24 |
| Wall Street Journal | 3/2 - 3/7 | 1500 RV | 26 | 63 | -37 |
| Reuters/Ipsos | 2/28 - 3/1 | 1005 A | 25 | 61 | -36 |
| Rasmussen Reports | 2/27 - 3/3 | 2500 LV | 32 | 62 | -30 |
| Economist/YouGov | 2/26 - 3/1 | 1205 RV | 29 | 60 | -31 |
| Politico/Morning Consult | 2/25 - 2/27 | 2004 RV | 33 | 67 | -34 |
| Harvard-Harris | 2/23 - 2/24 | 2026 RV | 29 | 62 | -33 |
| Rasmussen Reports | 2/20 - 2/24 | 2500 LV | 31 | 64 | -33 |
| Economist/YouGov | 2/19 - 2/22 | 1290 RV | 30 | 58 | -28 |
| Politico/Morning Consult | 2/19 - 2/21 | 2005 RV | 37 | 63 | -26 |
| USA Today/Suffolk | 2/16 - 2/20 | 1000 RV | 22 | 65 | -43 |
| NPR/PBS/Marist | 2/15 - 2/21 | 1079 RV | 31 | 66 | -35 |
| Reuters/Ipsos | 2/14 - 2/15 | 1005 A | 27 | 58 | -31 |
| Rasmussen Reports | 2/13 - 2/17 | 2500 LV | 29 | 66 | -37 |
| Economist/YouGov | 2/12 - 2/15 | 1231 RV | 28 | 61 | -33 |
| Politico/Morning Consult | 2/12 - 2/13 | 2005 RV | 34 | 66 | -32 |
| Rasmussen Reports | 2/6 - 2/10 | 2500 LV | 30 | 64 | -34 |
| Economist/YouGov | 2/5 - 2/8 | 1255 RV | 28 | 60 | -32 |
| Politico/Morning Consult | 2/5 - 2/6 | 2005 RV | 33 | 67 | -34 |
| Reuters/Ipsos | 2/2 - 2/3 | 1005 A | 24 | 63 | -39 |
| Rasmussen Reports | 1/30 - 2/3 | 2500 LV | 30 | 64 | -34 |
| Economist/YouGov | 1/29 - 2/1 | 1273 RV | 29 | 60 | -31 |
| Politico/Morning Consult | 1/28 - 1/30 | 2005 RV | 35 | 65 | -30 |
| Rasmussen Reports | 1/23 - 1/27 | 2500 LV | 29 | 66 | -37 |
| Economist/YouGov | 1/22 - 1/25 | 1249 RV | 25 | 65 | -40 |
| Politico/Morning Consult | 1/22 - 1/23 | 2005 RV | 32 | 68 | -36 |
| Monmouth | 1/20 - 1/24 | 735 RV | 23 | 71 | -48 |
| Harvard-Harris | 1/19 - 1/20 | 1815 RV | 33 | 59 | -26 |
| Reuters/Ipsos | 1/19 - 1/20 | 1004 A | 23 | 62 | -39 |
| Rasmussen Reports | 1/16 - 1/20 | 2500 LV | 28 | 67 | -39 |
| Economist/YouGov | 1/15 - 1/18 | 1162 RV | 24 | 65 | -41 |
| Politico/Morning Consult | 1/15 - 1/16 | 2005 RV | 32 | 68 | -36 |
| NBC News | 1/14 - 1/18 | 1000 A | 22 | 72 | -50 |
| Rasmussen Reports | 1/9 - 1/13 | 2500 LV | 26 | 68 | -42 |
| Economist/YouGov | 1/8 - 1/11 | 1258 RV | 30 | 60 | -30 |
| Politico/Morning Consult | 1/8 - 1/9 | 2000 RV | 34 | 66 | -32 |
| Reuters/Ipsos | 1/5 - 1/6 | 1000 A | 26 | 60 | -34 |
| Rasmussen Reports | 1/2 - 1/6 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 1/2 - 1/4 | 1201 RV | 28 | 61 | -33 |
| USA Today/Suffolk | 12/27 - 12/30 | 1000 RV | 30 | 57 | -27 |
| Rasmussen Reports | 12/26 - 12/30 | 2500 LV | 30 | 64 | -34 |
| Rasmussen Reports | 12/19 - 12/22 | 2000 LV | 27 | 67 | -40 |
| Economist/YouGov | 12/19 - 12/21 | 1315 RV | 24 | 63 | -39 |
| Politico/Morning Consult | 12/18 - 12/20 | 1998 RV | 37 | 63 | -26 |
| CNBC/Change Research (D) | 12/17 - 12/20 | 1895 RV | 30 | 70 | -40 |
| Rasmussen Reports | 12/12 - 12/16 | 2500 LV | 30 | 64 | -34 |
| Economist/YouGov | 12/12 - 12/14 | 1267 RV | 29 | 59 | -30 |
| Politico/Morning Consult | 12/11 - 12/13 | 1998 RV | 39 | 61 | -22 |
| Rasmussen Reports | 12/5 - 12/9 | 2500 LV | 31 | 64 | -33 |
| Economist/YouGov | 12/4 - 12/7 | 1265 RV | 26 | 62 | -36 |
| Politico/Morning Consult | 12/4 - 12/6 | 2000 RV | 41 | 59 | -18 |
| Monmouth | 12/2 - 12/6 | 753 RV | 30 | 66 | -36 |
| Reuters/Ipsos | 12/1 - 12/2 | 1005 A | 24 | 60 | -36 |
| NPR/PBS/Marist | 11/30 - 12/6 | 1062 RV | 34 | 61 | -27 |
| Harvard-Harris | 11/30 - 12/2 | 1989 RV | 35 | 56 | -21 |
| Rasmussen Reports | 11/28 - 12/2 | 2500 LV | 31 | 62 | -31 |
| Economist/YouGov | 11/27 - 11/30 | 1272 RV | 27 | 60 | -33 |
| Rasmussen Reports | 11/21 - 11/23 | 1700 LV | 29 | 66 | -37 |
| Economist/YouGov | 11/20 - 11/23 | 1249 RV | 27 | 60 | -33 |
| Wall Street Journal | 11/16 - 11/22 | 1500 RV | 27 | 63 | -36 |
| Rasmussen Reports | 11/14 - 11/18 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 11/14 - 11/16 | 1299 RV | 28 | 62 | -34 |
| Politico/Morning Consult | 11/13 - 11/15 | 1998 RV | 36 | 64 | -28 |
| Rasmussen Reports | 11/7 - 11/11 | 2500 LV | 33 | 64 | -31 |
| Economist/YouGov | 11/6 - 11/9 | 1258 RV | 31 | 57 | -26 |
| Politico/Morning Consult | 11/5 - 11/7 | 1998 RV | 39 | 61 | -22 |
| Monmouth | 11/4 - 11/8 | 726 RV | 33 | 62 | -29 |
| USA Today/Suffolk | 11/3 - 11/5 | 1000 RV | 20 | 66 | -46 |
| Rasmussen Reports | 10/31 - 11/4 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 10/30 - 11/2 | 1303 RV | 30 | 59 | -29 |
| Politico/Morning Consult | 10/30 - 11/1 | 1996 RV | 36 | 64 | -28 |
| Reuters/Ipsos | 10/27 - 10/28 | 1005 A | 26 | 60 | -34 |
| Harvard-Harris | 10/26 - 10/28 | 1578 RV | 36 | 56 | -20 |
| Rasmussen Reports | 10/24 - 10/28 | 2500 LV | 29 | 66 | -37 |
| Economist/YouGov | 10/24 - 10/26 | 1261 RV | 28 | 59 | -31 |
| NBC News | 10/23 - 10/26 | 1000 A | 22 | 71 | -49 |
| Politico/Morning Consult | 10/22 - 10/24 | 1999 RV | 39 | 61 | -22 |
| Rasmussen Reports | 10/17 - 10/21 | 2500 LV | 32 | 64 | -32 |
| GU Politics/Battleground | 10/16 - 10/21 | 1040 RV | 29 | 63 | -34 |
| Economist/YouGov | 10/16 - 10/19 | 1268 RV | 27 | 62 | -35 |
| Politico/Morning Consult | 10/16 - 10/18 | 1998 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 10/13 - 10/14 | 1005 A | 27 | 58 | -31 |
| Rasmussen Reports | 10/10 - 10/14 | 2500 LV | 29 | 65 | -36 |
| Economist/YouGov | 10/9 - 10/12 | 1266 RV | 28 | 59 | -31 |
| Politico/Morning Consult | 10/8 - 10/11 | 1999 RV | 38 | 62 | -24 |
| Rasmussen Reports | 10/3 - 10/7 | 2500 LV | 30 | 64 | -34 |
| Economist/YouGov | 10/3 - 10/5 | 1261 RV | 29 | 59 | -30 |
| Politico/Morning Consult | 10/2 - 10/4 | 1998 RV | 37 | 63 | -26 |
| Reuters/Ipsos | 9/29 - 9/30 | 1005 A | 25 | 61 | -36 |
| Rasmussen Reports | 9/26 - 9/30 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 9/26 - 9/28 | 1246 RV | 27 | 60 | -33 |
| Politico/Morning Consult | 9/24 - 9/27 | 1999 RV | 39 | 61 | -22 |
| Rasmussen Reports | 9/19 - 9/23 | 2500 LV | 32 | 62 | -30 |
| Economist/YouGov | 9/18 - 9/21 | 1281 RV | 33 | 56 | -23 |
| Politico/Morning Consult | 9/18 - 9/20 | 1998 RV | 38 | 62 | -24 |
| Harvard-Harris | 9/15 - 9/16 | 1578 RV | 41 | 54 | -13 |
| Reuters/Ipsos | 9/15 - 9/16 | 1005 A | 24 | 61 | -37 |
| Rasmussen Reports | 9/12 - 9/16 | 2500 LV | 32 | 62 | -30 |
| Economist/YouGov | 9/12 - 9/14 | 1252 RV | 28 | 59 | -31 |
| Politico/Morning Consult | 9/10 - 9/13 | 1997 RV | 37 | 63 | -26 |
| Monmouth | 9/9 - 9/13 | 747 RV | 30 | 64 | -34 |
| Rasmussen Reports | 9/5 - 9/9 | 2500 LV | 34 | 61 | -27 |
| Economist/YouGov | 9/4 - 9/7 | 1264 RV | 28 | 61 | -33 |
| Reuters/Ipsos | 9/1 - 9/2 | 1005 A | 25 | 59 | -34 |
| Rasmussen Reports | 8/29 - 9/2 | 2500 LV | 34 | 61 | -27 |
| Economist/YouGov | 8/28 - 8/31 | 1262 RV | 30 | 58 | -28 |
| Politico/Morning Consult | 8/28 - 8/30 | 1997 RV | 39 | 61 | -22 |
| Rasmussen Reports | 8/22 - 8/26 | 2500 LV | 34 | 61 | -27 |
| Politico/Morning Consult | 8/21 - 8/24 | 1996 RV | 42 | 58 | -16 |
| Economist/YouGov | 8/21 - 8/24 | 1242 RV | 30 | 58 | -28 |
| USA Today/Suffolk | 8/19 - 8/23 | 1000 RV | 27 | 62 | -35 |
| Reuters/Ipsos | 8/18 - 8/19 | 1002 A | 25 | 59 | -34 |
| Rasmussen Reports | 8/15 - 8/19 | 2500 LV | 33 | 62 | -29 |
| Economist/YouGov | 8/14 - 8/17 | 1250 RV | 31 | 57 | -26 |
| NBC News | 8/14 - 8/17 | 1000 A | 29 | 63 | -34 |
| Politico/Morning Consult | 8/13 - 8/16 | 1998 RV | 41 | 59 | -18 |
| Federalist/Susquehanna | 8/12 - 8/18 | 800 LV | 27 | 60 | -33 |
| Rasmussen Reports | 8/8 - 8/12 | 2500 LV | 34 | 60 | -26 |
| Economist/YouGov | 8/7 - 8/10 | 1251 RV | 33 | 55 | -22 |
| Politico/Morning Consult | 8/7 - 8/9 | 1996 RV | 44 | 56 | -12 |
| Reuters/Ipsos | 8/4 - 8/5 | 1004 A | 29 | 54 | -25 |
| Rasmussen Reports | 8/1 - 8/5 | 2500 LV | 35 | 58 | -23 |
| Economist/YouGov | 7/31 - 8/3 | 1233 RV | 35 | 54 | -19 |
| Politico/Morning Consult | 7/31 - 8/2 | 1998 RV | 44 | 56 | -12 |
| Harvard-Harris | 7/28 - 7/29 | 1788 RV | 47 | 46 | +1 |
| Rasmussen Reports | 7/25 - 7/29 | 2500 LV | 32 | 59 | -27 |
| Economist/YouGov | 7/24 - 7/27 | 1280 RV | 34 | 54 | -20 |
| Politico/Morning Consult | 7/23 - 7/26 | 1997 RV | 47 | 53 | -6 |
| Monmouth | 7/21 - 7/26 | 753 RV | 38 | 56 | -18 |
| Reuters/Ipsos | 7/21 - 7/22 | 1005 A | 34 | 52 | -18 |
| Rasmussen Reports | 7/18 - 7/22 | 2500 LV | 37 | 55 | -18 |
| Economist/YouGov | 7/17 - 7/20 | 1272 RV | 36 | 52 | -16 |
| Politico/Morning Consult | 7/16 - 7/18 | 1997 RV | 46 | 54 | -8 |
| Rasmussen Reports | 7/11 - 7/15 | 2500 LV | 39 | 54 | -15 |
| Economist/YouGov | 7/10 - 7/13 | 1292 RV | 38 | 52 | -14 |
| Politico/Morning Consult | 7/9 - 7/12 | 1996 RV | 45 | 55 | -10 |
| Reuters/Ipsos | 7/7 - 7/8 | 1004 A | 34 | 51 | -17 |
| Rasmussen Reports | 7/6 - 7/8 | 2000 LV | 39 | 54 | -15 |
| Economist/YouGov | 7/3 - 7/6 | 1281 RV | 39 | 51 | -12 |
| Rasmussen Reports | 6/27 - 7/1 | 2300 LV | 39 | 54 | -15 |
| Economist/YouGov | 6/26 - 6/29 | 1290 RV | 39 | 50 | -11 |
| Politico/Morning Consult | 6/25 - 6/28 | 1989 RV | 46 | 54 | -8 |
| Reuters/Ipsos | 6/23 - 6/24 | 1005 A | 36 | 51 | -15 |
| NPR/PBS/Marist | 6/22 - 6/29 | 905 RV | 48 | 49 | -1 |
| Rasmussen Reports | 6/20 - 6/24 | 2175 LV | 38 | 56 | -18 |
| Economist/YouGov | 6/20 - 6/22 | 1223 RV | 41 | 47 | -6 |
| Politico/Morning Consult | 6/18 - 6/20 | 2041 RV | 48 | 52 | -4 |
| Harvard-Harris | 6/15 - 6/17 | 2006 RV | 53 | 39 | +14 |
| Rasmussen Reports | 6/13 - 6/17 | 2500 LV | 39 | 54 | -15 |
| Economist/YouGov | 6/13 - 6/15 | 1305 RV | 38 | 50 | -12 |
| Politico/Morning Consult | 6/11 - 6/13 | 1994 RV | 47 | 53 | -6 |
| Monmouth | 6/9 - 6/14 | 758 RV | 37 | 58 | -21 |
| Reuters/Ipsos | 6/9 - 6/10 | 1004 A | 35 | 49 | -14 |
| Rasmussen Reports | 6/6 - 6/10 | 2300 LV | 38 | 55 | -17 |
| Economist/YouGov | 6/6 - 6/8 | 1242 RV | 40 | 49 | -9 |
| GU Politics/Battleground | 6/5 - 6/10 | 1000 RV | 40 | 56 | -16 |
| Politico/Morning Consult | 6/4 - 6/7 | 1990 RV | 47 | 53 | -6 |
| Rasmussen Reports | 5/30 - 6/3 | 2250 LV | 37 | 56 | -19 |
| Economist/YouGov | 5/29 - 6/1 | 1275 RV | 42 | 47 | -5 |
| Reuters/Ipsos | 5/26 - 5/27 | 1005 A | 33 | 50 | -17 |
| Rasmussen Reports | 5/23 - 5/27 | 2500 LV | 42 | 51 | -9 |
| Economist/YouGov | 5/22 - 5/25 | 1248 RV | 43 | 49 | -6 |
| Politico/Morning Consult | 5/21 - 5/24 | 1993 RV | 49 | 51 | -2 |
| Harvard-Harris | 5/19 - 5/20 | 1945 RV | 43 | 47 | -4 |
| Rasmussen Reports | 5/16 - 5/20 | 2500 LV | 39 | 54 | -15 |
| Economist/YouGov | 5/15 - 5/18 | 1239 RV | 42 | 48 | -6 |
| Politico/Morning Consult | 5/14 - 5/17 | 1992 RV | 48 | 52 | -4 |
| Reuters/Ipsos | 5/11 - 5/12 | 1005 A | 37 | 48 | -11 |
| Rasmussen Reports | 5/9 - 5/13 | 2250 LV | 38 | 55 | -17 |
| Economist/YouGov | 5/8 - 5/11 | 1204 RV | 42 | 48 | -6 |
| Politico/Morning Consult | 5/7 - 5/9 | 1994 RV | 50 | 50 | Tie |
| Rasmussen Reports | 5/2 - 5/6 | 2175 LV | 42 | 52 | -10 |
| Economist/YouGov | 5/1 - 5/4 | 1187 RV | 41 | 48 | -7 |
| Politico/Morning Consult | 4/30 - 5/3 | 1991 RV | 51 | 49 | +2 |
| Harvard-Harris | 4/27 - 4/29 | 1872 RV | 48 | 44 | +4 |
| Rasmussen Reports | 4/25 - 4/29 | 2500 LV | 39 | 56 | -17 |
| Economist/YouGov | 4/25 - 4/27 | 1219 RV | 41 | 48 | -7 |
| Politico/Morning Consult | 4/24 - 4/26 | 1991 RV | 51 | 49 | +2 |
| Rasmussen Reports | 4/18 - 4/22 | 2500 LV | 39 | 55 | -16 |
| Economist/YouGov | 4/17 - 4/20 | 1225 RV | 37 | 51 | -14 |
| NBC News | 4/17 - 4/20 | 1000 A | 36 | 56 | -20 |
| Politico/Morning Consult | 4/16 - 4/19 | 1992 RV | 51 | 49 | +2 |
| Economist/YouGov | 4/10 - 4/13 | 1263 RV | 36 | 52 | -16 |
| Politico/Morning Consult | 4/9 - 4/12 | 1992 RV | 53 | 47 | +6 |
| Monmouth | 4/8 - 4/12 | 743 RV | 45 | 51 | -6 |
| Rasmussen Reports | 4/4 - 4/8 | 2500 LV | 39 | 56 | -17 |
| Economist/YouGov | 4/3 - 4/6 | 1243 RV | 39 | 50 | -11 |
| Politico/Morning Consult | 4/2 - 4/4 | 1989 RV | 50 | 50 | Tie |
| Rasmussen Reports | 3/28 - 4/1 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 3/27 - 3/30 | 1259 RV | 39 | 49 | -10 |
| Politico/Morning Consult | 3/26 - 3/29 | 2043 RV | 50 | 50 | Tie |
| Harvard-Harris | 3/24 - 3/25 | 1945 RV | 46 | 43 | +3 |
| Rasmussen Reports | 3/21 - 3/25 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 3/20 - 3/23 | 1267 RV | 36 | 51 | -15 |
| Rasmussen Reports | 3/14 - 3/18 | 2500 LV | 41 | 54 | -13 |
| Economist/YouGov | 3/13 - 3/17 | 1218 RV | 44 | 46 | -2 |
| Politico/Morning Consult | 3/12 - 3/15 | 1993 RV | 55 | 45 | +10 |
| Rasmussen Reports | 3/7 - 3/11 | 2500 LV | 41 | 54 | -13 |
| Economist/YouGov | 3/6 - 3/9 | 1242 RV | 38 | 49 | -11 |
| Politico/Morning Consult | 3/6 - 3/8 | 1990 RV | 50 | 50 | Tie |
| Rasmussen Reports | 2/28 - 3/4 | 2500 LV | 37 | 56 | -19 |
| Economist/YouGov | 2/27 - 3/2 | 1191 RV | 35 | 51 | -16 |
| Politico/Morning Consult | 2/26 - 3/1 | 1992 RV | 46 | 54 | -8 |
| Monmouth | 2/25 - 3/1 | 731 RV | 33 | 61 | -28 |
| Harvard-Harris | 2/23 - 2/25 | 1778 RV | 43 | 47 | -4 |
| Rasmussen Reports | 2/21 - 2/25 | 2500 LV | 38 | 56 | -18 |
| Politico/Morning Consult | 2/19 - 2/22 | 2013 RV | 49 | 51 | -2 |
| Economist/YouGov | 2/19 - 2/22 | 1201 RV | 34 | 53 | -19 |
| Rasmussen Reports | 2/14 - 2/18 | 2500 LV | 34 | 59 | -25 |
| Politico/Morning Consult | 2/14 - 2/15 | 1984 RV | 47 | 53 | -6 |
| Economist/YouGov | 2/13 - 2/16 | 1259 RV | 33 | 54 | -21 |
| Rasmussen Reports | 2/7 - 2/11 | 2500 LV | 38 | 55 | -17 |
| Economist/YouGov | 2/6 - 2/9 | 1306 RV | 36 | 52 | -16 |
| Politico/Morning Consult | 2/5 - 2/7 | 1986 RV | 47 | 53 | -6 |
| Emerson | 2/2 - 2/3 | 1429 A | 46 | 54 | -8 |
| Rasmussen Reports | 1/31 - 2/4 | 2500 LV | 35 | 58 | -23 |
| Economist/YouGov | 1/31 - 2/2 | 1272 RV | 28 | 55 | -27 |
| Politico/Morning Consult | 1/29 - 2/1 | 1986 RV | 43 | 57 | -14 |
| Rasmussen Reports | 1/24 - 1/28 | 2500 LV | 35 | 59 | -24 |
| Economist/YouGov | 1/24 - 1/26 | 1245 RV | 31 | 55 | -24 |
| Politico/Morning Consult | 1/22 - 1/25 | 1990 RV | 43 | 57 | -14 |
| Monmouth | 1/21 - 1/24 | 736 RV | 43 | 52 | -9 |
| Reuters/Ipsos | 1/20 - 1/21 | 950 RV | 29 | 55 | -26 |
| Rasmussen Reports | 1/17 - 1/21 | 2300 LV | 24 | 66 | -42 |
| Economist/YouGov | 1/16 - 1/19 | 1291 RV | 18 | 71 | -53 |
| USA Today/Suffolk | 1/12 - 1/15 | 1000 RV | 22 | 65 | -43 |
| Harvard-Harris | 1/12 - 1/14 | 2006 RV | 27 | 63 | -36 |
| NPR/PBS/Marist | 1/11 - 1/13 | 1012 RV | 19 | 77 | -58 |
| Rasmussen Reports | 1/10 - 1/14 | 2000 LV | 21 | 72 | -51 |
| Economist/YouGov | 1/10 - 1/12 | 1293 RV | 12 | 76 | -64 |
| Reuters/Ipsos | 1/8 - 1/12 | 1163 RV | 17 | 73 | -56 |
| Politico/Morning Consult | 1/8 - 1/11 | 1996 RV | 18 | 82 | -64 |
| Politico/Morning Consult | 1/6 - 1/7 | 1986 RV | 24 | 76 | -52 |
| Rasmussen Reports | 1/4 - 1/7 | 2000 LV | 23 | 67 | -44 |
| Reuters/Ipsos | 1/4 - 1/5 | 1133 RV | 21 | 66 | -45 |
| Economist/YouGov | 1/3 - 1/5 | 1278 RV | 18 | 68 | -50 |
| Rasmussen Reports | 12/27 - 12/30 | 2000 LV | 26 | 65 | -39 |
| Rasmussen Reports | 12/20 - 12/22 | 1500 LV | 29 | 62 | -33 |
| Economist/YouGov | 12/19 - 12/22 | 1157 RV | 21 | 64 | -43 |
| Reuters/Ipsos | 12/18 - 12/22 | 1126 RV | 23 | 63 | -40 |
| Politico/Morning Consult | 12/18 - 12/20 | 1995 RV | 29 | 71 | -42 |
| USA Today/Suffolk | 12/16 - 12/20 | 1000 RV | 34 | 49 | -15 |
| Rasmussen Reports | 12/13 - 12/17 | 2500 LV | 31 | 61 | -30 |
| Economist/YouGov | 12/13 - 12/15 | 1090 RV | 20 | 65 | -45 |
| Politico/Morning Consult | 12/11 - 12/14 | 1990 RV | 29 | 71 | -42 |
| Reuters/Ipsos | 12/11 - 12/14 | 1113 RV | 22 | 66 | -44 |
| Rasmussen Reports | 12/6 - 12/10 | 2500 LV | 28 | 62 | -34 |
| Economist/YouGov | 12/6 - 12/8 | 912 RV | 20 | 67 | -47 |
| Emerson | 12/6 - 12/7 | 1277 RV | 40 | 60 | -20 |
| Politico/Morning Consult | 12/4 - 12/6 | 1990 RV | 27 | 73 | -46 |
| Reuters/Ipsos | 12/2 - 12/8 | 3812 RV | 24 | 64 | -40 |
| Reuters/Ipsos | 11/30 - 12/1 | 859 RV | 25 | 63 | -38 |
| Rasmussen Reports | 11/29 - 12/3 | 2500 LV | 31 | 60 | -29 |
| Rasmussen Reports | 11/22 - 11/24 | 1500 LV | 32 | 58 | -26 |
| Economist/YouGov | 11/21 - 11/24 | 1500 RV | 20 | 70 | -50 |
| Politico/Morning Consult | 11/21 - 11/23 | 1990 RV | 31 | 69 | -38 |
| Harvard-Harris | 11/17 - 11/19 | 2205 RV | 30 | 60 | -30 |
| Rasmussen Reports | 11/15 - 11/19 | 2500 LV | 32 | 60 | -28 |
| Economist/YouGov | 11/15 - 11/17 | 1500 RV | 23 | 64 | -41 |
| Reuters/Ipsos | 11/13 - 11/17 | 1121 RV | 24 | 62 | -38 |
| Politico/Morning Consult | 11/13 - 11/16 | 1994 RV | 31 | 69 | -38 |
| Monmouth | 11/12 - 11/16 | 749 RV | 27 | 67 | -40 |
| Rasmussen Reports | 11/8 - 11/12 | 2500 LV | 35 | 56 | -21 |
| Economist/YouGov | 11/8 - 11/10 | 1500 RV | 22 | 64 | -42 |
| Reuters/Ipsos | 11/6 - 11/10 | 1169 RV | 24 | 64 | -40 |
| Rasmussen Reports | 11/1 - 11/6 | 2500 LV | 36 | 59 | -23 |
| Economist/YouGov | 10/31 - 11/2 | 1363 LV | 29 | 64 | -35 |
| Reuters/Ipsos | 10/29 - 11/2 | 1146 RV | 30 | 62 | -32 |
| NBC News/Wall St. Jrnl | 10/29 - 10/31 | 1000 RV | 31 | 60 | -29 |
| Rasmussen Reports | 10/25 - 10/29 | 2500 LV | 41 | 54 | -13 |
| Economist/YouGov | 10/25 - 10/27 | 1365 LV | 30 | 65 | -35 |
| Reuters/Ipsos | 10/23 - 10/27 | 1110 RV | 26 | 64 | -38 |
| USA Today/Suffolk | 10/23 - 10/27 | 1000 LV | 29 | 58 | -29 |
| Politico/Morning Consult | 10/19 - 10/22 | 1994 RV | 31 | 69 | -38 |
| Rasmussen Reports | 10/18 - 10/22 | 2500 LV | 38 | 58 | -20 |
| Economist/YouGov | 10/18 - 10/20 | 1344 LV | 27 | 65 | -38 |
| Reuters/Ipsos | 10/16 - 10/20 | 1158 RV | 27 | 64 | -37 |
| Politico/Morning Consult | 10/16 - 10/18 | 1994 RV | 36 | 64 | -28 |
| Rasmussen Reports | 10/11 - 10/15 | 2500 LV | 34 | 61 | -27 |
| Economist/YouGov | 10/11 - 10/13 | 1333 LV | 28 | 65 | -37 |
| Reuters/Ipsos | 10/9 - 10/13 | 1120 RV | 27 | 63 | -36 |
| NBC News/Wall St. Jrnl | 10/9 - 10/12 | 1000 RV | 29 | 62 | -33 |
| Politico/Morning Consult | 10/9 - 10/11 | 1986 RV | 35 | 65 | -30 |
| Rasmussen Reports | 10/4 - 10/8 | 2500 LV | 32 | 64 | -32 |
| Economist/YouGov | 10/4 - 10/6 | 1364 LV | 28 | 65 | -37 |
| Reuters/Ipsos | 10/2 - 10/6 | 1123 RV | 26 | 66 | -40 |
| Politico/Morning Consult | 10/2 - 10/4 | 1990 RV | 35 | 65 | -30 |
| Rasmussen Reports | 9/27 - 10/1 | 2500 LV | 31 | 64 | -33 |
| Economist/YouGov | 9/27 - 9/30 | 1350 LV | 26 | 65 | -39 |
| Reuters/Ipsos | 9/25 - 9/29 | 864 LV | 25 | 66 | -41 |
| Harvard-Harris | 9/22 - 9/24 | 1314 RV | 32 | 60 | -28 |
| NY Times/Siena | 9/22 - 9/24 | 950 LV | 35 | 56 | -21 |
| Rasmussen Reports | 9/20 - 9/24 | 2500 LV | 29 | 66 | -37 |
| Economist/YouGov | 9/20 - 9/22 | 1124 LV | 24 | 66 | -42 |
| Reuters/Ipsos | 9/18 - 9/22 | 1160 RV | 27 | 65 | -38 |
| Politico/Morning Consult | 9/18 - 9/20 | 1989 RV | 31 | 69 | -38 |
| Rasmussen Reports | 9/13 - 9/17 | 2500 LV | 31 | 64 | -33 |
| Economist/YouGov | 9/13 - 9/15 | 1062 LV | 22 | 70 | -48 |
| Reuters/Ipsos | 9/11 - 9/15 | 1133 RV | 23 | 67 | -44 |
| Politico/Morning Consult | 9/11 - 9/14 | 1991 RV | 27 | 73 | -46 |
| Rasmussen Reports | 9/6 - 9/10 | 2500 LV | 30 | 62 | -32 |
| Economist/YouGov | 9/6 - 9/8 | 1057 LV | 28 | 64 | -36 |
| Monmouth | 9/3 - 9/8 | 758 RV | 27 | 67 | -40 |
| Harvard-Harris | 8/31 - 9/2 | 1604 RV | 31 | 62 | -31 |
| Rasmussen Reports | 8/30 - 9/3 | 2500 LV | 31 | 64 | -33 |
| Economist/YouGov | 8/30 - 9/1 | 1207 RV | 25 | 67 | -42 |
| Reuters/Ipsos | 8/28 - 9/1 | 1089 RV | 27 | 65 | -38 |
| USA Today/Suffolk | 8/28 - 8/31 | 1000 RV | 30 | 62 | -32 |
| Politico/Morning Consult | 8/28 - 8/30 | 1988 RV | 28 | 72 | -44 |
| Rasmussen Reports | 8/23 - 8/27 | 2500 LV | 31 | 63 | -32 |
| Economist/YouGov | 8/23 - 8/25 | 1254 RV | 27 | 64 | -37 |
| Politico/Morning Consult | 8/21 - 8/23 | 1992 RV | 27 | 73 | -46 |
| Reuters/Ipsos | 8/19 - 8/25 | 3829 RV | 26 | 65 | -39 |
| Rasmussen Reports | 8/16 - 8/20 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 8/16 - 8/18 | 1246 RV | 25 | 67 | -42 |
| Reuters/Ipsos | 8/14 - 8/18 | 1179 RV | 25 | 66 | -41 |
| Politico/Morning Consult | 8/14 - 8/16 | 1994 RV | 26 | 74 | -48 |
| Reuters/Ipsos | 8/10 - 8/11 | 1034 RV | 23 | 71 | -48 |
| Rasmussen Reports | 8/9 - 8/13 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 8/9 - 8/11 | 1208 RV | 26 | 67 | -41 |
| Politico/Morning Consult | 8/9 - 8/10 | 1983 RV | 30 | 70 | -40 |
| Monmouth | 8/6 - 8/10 | 785 RV | 23 | 71 | -48 |
| Reuters/Ipsos | 8/3 - 8/4 | 964 RV | 23 | 69 | -46 |
| Rasmussen Reports | 8/2 - 8/6 | 3000 LV | 28 | 66 | -38 |
| Economist/YouGov | 8/2 - 8/4 | 1229 RV | 25 | 69 | -44 |
| GU Politics/Battleground | 8/1 - 8/6 | 1000 LV | 22 | 72 | -50 |
| Politico/Morning Consult | 7/31 - 8/2 | 1991 RV | 26 | 74 | -48 |
| Reuters/Ipsos | 7/27 - 7/28 | 947 RV | 21 | 71 | -50 |
| Rasmussen Reports | 7/26 - 7/30 | 2500 LV | 26 | 69 | -43 |
| Economist/YouGov | 7/26 - 7/28 | 1260 RV | 21 | 72 | -51 |
| Politico/Morning Consult | 7/24 - 7/26 | 1997 RV | 25 | 75 | -50 |
| Harvard-Harris | 7/21 - 7/23 | 1932 RV | 27 | 65 | -38 |
| Rasmussen Reports | 7/19 - 7/23 | 2500 LV | 26 | 67 | -41 |
| Economist/YouGov | 7/19 - 7/21 | 1222 RV | 21 | 72 | -51 |
| Politico/Morning Consult | 7/17 - 7/19 | 1991 RV | 27 | 73 | -46 |
| Reuters/Ipsos | 7/15 - 7/21 | 3744 RV | 23 | 68 | -45 |
| Reuters/Ipsos | 7/13 - 7/14 | 961 RV | 22 | 69 | -47 |
| Rasmussen Reports | 7/12 - 7/16 | 2500 LV | 24 | 70 | -46 |
| Economist/YouGov | 7/12 - 7/14 | 1252 RV | 23 | 70 | -47 |
| Politico/Morning Consult | 7/10 - 7/12 | 1992 RV | 28 | 72 | -44 |
| NBC News/Wall St. Jrnl | 7/9 - 7/12 | 900 RV | 19 | 72 | -53 |
| Reuters/Ipsos | 7/6 - 7/7 | 952 RV | 23 | 67 | -44 |
| Rasmussen Reports | 7/5 - 7/9 | 2500 LV | 24 | 72 | -48 |
| Economist/YouGov | 7/5 - 7/7 | 1165 RV | 25 | 67 | -42 |
| Reuters/Ipsos | 6/29 - 6/30 | 943 RV | 21 | 68 | -47 |
| Rasmussen Reports | 6/28 - 7/2 | 2500 LV | 25 | 69 | -44 |
| Economist/YouGov | 6/28 - 6/30 | 1198 RV | 24 | 69 | -45 |
| Monmouth | 6/26 - 6/30 | 733 RV | 18 | 75 | -57 |
| Politico/Morning Consult | 6/26 - 6/29 | 1984 RV | 25 | 75 | -50 |
| USA Today/Suffolk | 6/25 - 6/29 | 1000 RV | 20 | 67 | -47 |
| Reuters/Ipsos | 6/22 - 6/23 | 934 RV | 23 | 68 | -45 |
| Rasmussen Reports | 6/21 - 6/25 | 2500 LV | 24 | 69 | -45 |
| Economist/YouGov | 6/21 - 6/23 | 1230 RV | 26 | 66 | -40 |
| Politico/Morning Consult | 6/19 - 6/21 | 1988 RV | 29 | 71 | -42 |
| NY Times/Siena | 6/17 - 6/22 | 1137 RV | 31 | 58 | -27 |
| Harvard-Harris | 6/17 - 6/18 | 1886 RV | 27 | 64 | -37 |
| Rasmussen Reports | 6/14 - 6/18 | 2500 LV | 25 | 68 | -43 |
| Economist/YouGov | 6/14 - 6/16 | 1160 RV | 24 | 68 | -44 |
| Politico/Morning Consult | 6/12 - 6/14 | 1987 RV | 28 | 72 | -44 |
| Reuters/Ipsos | 6/10 - 6/16 | 3768 RV | 25 | 66 | -41 |
| Reuters/Ipsos | 6/8 - 6/9 | 931 RV | 28 | 64 | -36 |
| Rasmussen Reports | 6/7 - 6/11 | 2500 LV | 25 | 68 | -43 |
| Economist/YouGov | 6/7 - 6/9 | 1241 RV | 27 | 66 | -39 |
| Politico/Morning Consult | 6/6 - 6/7 | 1992 RV | 30 | 70 | -40 |
| Reuters/Ipsos | 6/1 - 6/2 | 964 RV | 23 | 67 | -44 |
| Rasmussen Reports | 5/31 - 6/4 | 2500 LV | 27 | 66 | -39 |
| Economist/YouGov | 5/31 - 6/2 | 1244 RV | 26 | 67 | -41 |
| CBS News | 5/29 - 6/2 | 1309 A | 28 | 67 | -39 |
| Politico/Morning Consult | 5/29 - 6/1 | 1981 RV | 31 | 69 | -38 |
| Monmouth | 5/28 - 6/1 | 742 RV | 21 | 74 | -53 |
| Rasmussen Reports | 5/24 - 5/28 | 2500 LV | 33 | 62 | -29 |
| Economist/YouGov | 5/23 - 5/26 | 1157 RV | 31 | 60 | -29 |
| Politico/Morning Consult | 5/22 - 5/26 | 1986 RV | 34 | 66 | -32 |
| Reuters/Ipsos | 5/20 - 5/27 | 3732 RV | 28 | 59 | -31 |
| Reuters/Ipsos | 5/18 - 5/19 | 957 RV | 29 | 58 | -29 |
| Rasmussen Reports | 5/17 - 5/21 | 2500 LV | 34 | 60 | -26 |
| Economist/YouGov | 5/17 - 5/19 | 1235 RV | 32 | 58 | -26 |
| Politico/Morning Consult | 5/15 - 5/18 | 1994 RV | 34 | 66 | -32 |
| Harvard-Harris | 5/13 - 5/14 | 1854 RV | 34 | 58 | -24 |
| Reuters/Ipsos | 5/11 - 5/12 | 973 RV | 28 | 60 | -32 |
| Rasmussen Reports | 5/10 - 5/14 | 2500 LV | 35 | 58 | -23 |
| Economist/YouGov | 5/10 - 5/12 | 1175 RV | 31 | 58 | -27 |
| Politico/Morning Consult | 5/8 - 5/10 | 1994 RV | 34 | 66 | -32 |
| Reuters/Ipsos | 5/4 - 5/5 | 1015 RV | 31 | 57 | -26 |
| Rasmussen Reports | 5/3 - 5/7 | 2500 LV | 35 | 57 | -22 |
| Economist/YouGov | 5/3 - 5/5 | 1209 RV | 32 | 56 | -24 |
| Politico/Morning Consult | 5/2 - 5/3 | 1987 RV | 35 | 65 | -30 |
| Monmouth | 4/30 - 5/4 | 739 RV | 33 | 60 | -27 |
| Reuters/Ipsos | 4/27 - 4/29 | 1876 RV | 30 | 57 | -27 |
| Rasmussen Reports | 4/26 - 4/30 | 2500 LV | 35 | 59 | -24 |
| Economist/YouGov | 4/26 - 4/28 | 1222 RV | 33 | 58 | -25 |
| Politico/Morning Consult | 4/24 - 4/26 | 1991 RV | 35 | 65 | -30 |
| USA Today/Suffolk | 4/21 - 4/25 | 1000 RV | 34 | 55 | -21 |
| Rasmussen Reports | 4/19 - 4/23 | 2500 LV | 35 | 58 | -23 |
| Economist/YouGov | 4/19 - 4/21 | 1144 RV | 32 | 59 | -27 |
| Politico/Morning Consult | 4/18 - 4/19 | 1991 RV | 37 | 63 | -26 |
| Reuters/Ipsos | 4/15 - 4/21 | 3806 RV | 31 | 55 | -24 |
| Harvard-Harris | 4/14 - 4/16 | 2394 RV | 36 | 56 | -20 |
| Reuters/Ipsos | 4/13 - 4/14 | 937 RV | 32 | 55 | -23 |
| Rasmussen Reports | 4/12 - 4/16 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 4/12 - 4/14 | 1166 RV | 33 | 57 | -24 |
| Politico/Morning Consult | 4/10 - 4/12 | 1990 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 4/6 - 4/7 | 959 RV | 28 | 63 | -35 |
| Rasmussen Reports | 4/5 - 4/9 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 4/5 - 4/7 | 1147 RV | 33 | 57 | -24 |
| Monmouth | 4/3 - 4/7 | 743 RV | 29 | 61 | -32 |
| Politico/Morning Consult | 4/3 - 4/5 | 1990 RV | 36 | 64 | -28 |
| Reuters/Ipsos | 3/30 - 3/31 | 930 RV | 32 | 57 | -25 |
| Rasmussen Reports | 3/29 - 4/2 | 2500 LV | 39 | 55 | -16 |
| IBD/TIPP | 3/29 - 4/1 | 1226 A | 44 | 53 | -9 |
| Economist/YouGov | 3/29 - 3/31 | 1194 RV | 34 | 54 | -20 |
| Politico/Morning Consult | 3/27 - 3/29 | 1997 RV | 38 | 62 | -24 |
| Harvard-Harris | 3/24 - 3/26 | 2410 RV | 37 | 54 | -17 |
| Rasmussen Reports | 3/22 - 3/26 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 3/22 - 3/24 | 1170 RV | 34 | 54 | -20 |
| Politico/Morning Consult | 3/20 - 3/22 | 1996 RV | 39 | 61 | -22 |
| Reuters/Ipsos | 3/18 - 3/24 | 3763 RV | 36 | 52 | -16 |
| Monmouth | 3/18 - 3/22 | 754 RV | 39 | 55 | -16 |
| Reuters/Ipsos | 3/16 - 3/17 | 978 RV | 34 | 56 | -22 |
| Rasmussen Reports | 3/15 - 3/19 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 3/15 - 3/17 | 1129 RV | 35 | 56 | -21 |
| Politico/Morning Consult | 3/13 - 3/16 | 1986 RV | 40 | 60 | -20 |
| NBC News/Wall St. Jrnl | 3/11 - 3/13 | 900 RV | 37 | 56 | -19 |
| Reuters/Ipsos | 3/9 - 3/10 | 961 RV | 33 | 55 | -22 |
| Rasmussen Reports | 3/8 - 3/12 | 2500 LV | 42 | 54 | -12 |
| Economist/YouGov | 3/8 - 3/10 | 1191 RV | 39 | 53 | -14 |
| Politico/Morning Consult | 3/6 - 3/8 | 1992 RV | 43 | 57 | -14 |
| Reuters/Ipsos | 3/2 - 3/3 | 943 RV | 36 | 56 | -20 |
| Rasmussen Reports | 3/1 - 3/5 | 2500 LV | 43 | 52 | -9 |
| Economist/YouGov | 3/1 - 3/3 | 1134 RV | 39 | 55 | -16 |
| Politico/Morning Consult | 2/28 - 3/1 | 1992 RV | 43 | 57 | -14 |
| Harvard-Harris | 2/26 - 2/28 | 2592 RV | 41 | 53 | -12 |
| Rasmussen Reports | 2/23 - 2/27 | 2500 LV | 45 | 50 | -5 |
| Economist/YouGov | 2/23 - 2/25 | 1184 RV | 39 | 54 | -15 |
| Politico/Morning Consult | 2/21 - 2/23 | 1992 RV | 43 | 57 | -14 |
| Reuters/Ipsos | 2/19 - 2/25 | 3809 RV | 37 | 55 | -18 |
| Reuters/Ipsos | 2/18 - 2/19 | 951 RV | 35 | 55 | -20 |
| Rasmussen Reports | 2/16 - 2/20 | 2500 LV | 45 | 51 | -6 |
| Economist/YouGov | 2/16 - 2/18 | 1150 RV | 39 | 54 | -15 |
| Politico/Morning Consult | 2/15 - 2/17 | 1990 RV | 40 | 60 | -20 |
| Reuters/Ipsos | 2/10 - 2/11 | 959 RV | 34 | 53 | -19 |
| Rasmussen Reports | 2/9 - 2/13 | 2500 LV | 46 | 50 | -4 |
| Economist/YouGov | 2/9 - 2/11 | 1140 RV | 40 | 53 | -13 |
| Politico/Morning Consult | 2/7 - 1/9 | 1996 RV | 43 | 57 | -14 |
| Monmouth | 2/6 - 2/9 | 827 RV | 38 | 57 | -19 |
| Reuters/Ipsos | 2/3 - 2/4 | 932 RV | 35 | 54 | -19 |
| Rasmussen Reports | 2/2 - 2/6 | 2500 LV | 42 | 52 | -10 |
| Economist/YouGov | 2/2 - 2/4 | 1277 RV | 38 | 54 | -16 |
| Harvard-Harris | 1/27 - 1/29 | 2527 RV | 39 | 53 | -14 |
| Reuters/Ipsos | 1/27 - 1/28 | 950 RV | 41 | 56 | -15 |
| Rasmussen Reports | 1/26 - 1/30 | 2500 LV | 42 | 53 | -11 |
| Economist/YouGov | 1/26 - 1/28 | 1182 RV | 38 | 54 | -16 |
| Politico/Morning Consult | 1/24 - 1/26 | 1992 RV | 39 | 61 | -22 |
| Reuters/Ipsos | 1/21 - 1/22 | 899 RV | 34 | 57 | -23 |
| Rasmussen Reports | 1/19 - 1/23 | 2500 LV | 41 | 55 | -14 |
| Economist/YouGov | 1/19 - 1/21 | 1176 RV | 41 | 51 | -10 |
| Politico/Morning Consult | 1/17 - 1/19 | 1997 RV | 40 | 60 | -20 |
| Monmouth | 1/16 - 1/20 | 847 RV | 37 | 56 | -19 |
| Reuters/Ipsos | 1/13 - 1/14 | 919 RV | 33 | 58 | -25 |
| Rasmussen Reports | 1/12 - 1/16 | 2500 LV | 45 | 51 | -6 |
| Economist/YouGov | 1/11 - 1/14 | 1108 RV | 39 | 52 | -13 |
| Politico/Morning Consult | 1/10 - 1/12 | 1996 RV | 41 | 59 | -18 |
| Reuters/Ipsos | 1/6 - 1/7 | 957 RV | 31 | 59 | -28 |
| Rasmussen Reports | 1/5 - 1/9 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 1/5 - 1/7 | 1185 RV | 37 | 56 | -19 |
| Politico/Morning Consult | 1/4 - 1/5 | 1995 RV | 40 | 60 | -20 |
| Rasmussen Reports | 12/29 - 1/2 | 1500 LV | 41 | 53 | -12 |
| Economist/YouGov | 12/28 - 12/31 | 1123 RV | 39 | 53 | -14 |
| Harvard-Harris | 12/27 - 12/29 | 2010 RV | 39 | 53 | -14 |
| Rasmussen Reports | 12/22 - 12/26 | 1500 LV | 38 | 55 | -17 |
| Economist/YouGov | 12/22 - 12/24 | 1240 RV | 38 | 55 | -17 |
| Politico/Morning Consult | 12/19 - 12/20 | 1387 RV | 40 | 60 | -20 |
| Reuters/Ipsos | 12/16 - 12/17 | 963 RV | 34 | 57 | -23 |
| Rasmussen Reports | 12/15 - 12/19 | 2500 LV | 39 | 56 | -17 |
| Economist/YouGov | 12/14 - 12/17 | 1164 RV | 38 | 56 | -18 |
| Politico/Morning Consult | 12/14 - 12/15 | 1991 RV | 38 | 62 | -24 |
| Rasmussen Reports | 12/8 - 12/12 | 2500 LV | 38 | 57 | -19 |
| Economist/YouGov | 12/7 - 12/10 | 1209 RV | 37 | 56 | -19 |
| Politico/Morning Consult | 12/6 - 12/8 | 1994 RV | 36 | 64 | -28 |
| Monmouth | 12/4 - 12/8 | 838 RV | 32 | 57 | -25 |
| Reuters/Ipsos | 12/2 - 12/3 | 955 RV | 32 | 58 | -26 |
| Rasmussen Reports | 12/1 - 12/5 | 2500 LV | 39 | 55 | -16 |
| Economist/YouGov | 12/1 - 12/3 | 1200 RV | 39 | 53 | -14 |
| Harvard-Harris | 11/27 - 11/29 | 1859 RV | 40 | 52 | -12 |
| Reuters/Ipsos | 11/25 - 11/26 | 971 RV | 32 | 57 | -25 |
| Economist/YouGov | 11/24 - 11/26 | 1189 RV | 35 | 58 | -23 |
| Rasmussen Reports | 11/24 - 11/25 | 2500 LV | 37 | 55 | -18 |
| Politico/Morning Consult | 11/22 - 11/24 | 1988 RV | 36 | 64 | -28 |
| Reuters/Ipsos | 11/18 - 11/19 | 960 RV | 31 | 60 | -29 |
| Rasmussen Reports | 11/17 - 11/21 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 11/17 - 11/19 | 1224 RV | 35 | 57 | -22 |
| Politico/Morning Consult | 11/15 - 11/17 | 1994 RV | 37 | 63 | -26 |
| Reuters/Ipsos | 11/12 - 11/13 | 952 RV | 31 | 57 | -26 |
| Rasmussen Reports | 11/10 - 11/14 | 2500 LV | 39 | 56 | -17 |
| Economist/YouGov | 11/10 - 11/12 | 1206 RV | 34 | 58 | -24 |
| Politico/Morning Consult | 11/8 - 11/10 | 1993 RV | 36 | 64 | -28 |
| Reuters/Ipsos | 11/4 - 11/5 | 944 RV | 32 | 57 | -25 |
| Rasmussen Reports | 11/3 - 11/7 | 2500 LV | 39 | 56 | -17 |
| Economist/YouGov | 11/3 - 11/5 | 1201 RV | 38 | 56 | -18 |
| Politico/Morning Consult | 11/1 - 11/3 | 1983 RV | 37 | 63 | -26 |
| Monmouth | 10/30 - 11/3 | 835 RV | 31 | 60 | -29 |
| Harvard-Harris | 10/29 - 10/31 | 1810 RV | 39 | 54 | -15 |
| Reuters/Ipsos | 10/28 - 10/29 | 973 RV | 33 | 58 | -25 |
| Rasmussen Reports | 10/27 - 10/31 | 2500 LV | 36 | 57 | -21 |
| Economist/YouGov | 10/27 - 10/29 | 1274 RV | 36 | 55 | -19 |
| Politico/Morning Consult | 10/25 - 10/28 | 1997 RV | 39 | 61 | -22 |
| IBD/TIPP | 10/24 - 10/31 | 903 A | 43 | 56 | -13 |
| USA Today/Suffolk | 10/23 - 10/26 | 1000 RV | 38 | 53 | -15 |
| Rasmussen Reports | 10/20 - 10/24 | 2500 LV | 35 | 59 | -24 |
| Economist/YouGov | 10/20 - 10/22 | 1204 RV | 35 | 57 | -22 |
| Reuters/Ipsos | 10/18 - 10/22 | 3447 RV | 32 | 58 | -26 |
| Politico/Morning Consult | 10/18 - 10/21 | 1989 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 10/14 - 10/15 | 961 RV | 34 | 58 | -24 |
| Rasmussen Reports | 10/13 - 10/17 | 2500 LV | 38 | 57 | -19 |
| Economist/YouGov | 10/13 - 10/15 | 1136 RV | 36 | 58 | -22 |
| Politico/Morning Consult | 10/11 - 10/13 | 1993 RV | 38 | 62 | -24 |
| Politico/Morning Consult | 10/7 - 10/8 | 1991 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 10/7 - 10/8 | 956 RV | 29 | 55 | -26 |
| GU Politics/Battleground | 10/6 - 10/10 | 1000 LV | 35 | 58 | -23 |
| Rasmussen Reports | 10/6 - 10/10 | 2500 LV | 39 | 55 | -16 |
| Economist/YouGov | 10/6 - 10/8 | 1241 RV | 36 | 55 | -19 |
| NPR/PBS/Marist | 10/3 - 10/8 | 926 RV | 37 | 56 | -19 |
| Rasmussen Reports | 9/30 - 10/4 | 2500 LV | 36 | 57 | -21 |
| Reuters/Ipsos | 9/30 - 10/1 | 964 RV | 31 | 59 | -28 |
| Economist/YouGov | 9/28 - 10/1 | 1087 RV | 34 | 57 | -23 |
| Politico/Morning Consult | 9/27 - 9/30 | 2488 RV | 35 | 65 | -30 |
| IBD/TIPP | 9/26 - 10/3 | 900 A | 44 | 55 | -11 |
| Reuters/Ipsos | 9/24 - 9/25 | 942 RV | 30 | 59 | -29 |
| Monmouth | 9/23 - 9/29 | 1017 RV | 30 | 61 | -31 |
| Rasmussen Reports | 9/22 - 9/26 | 2500 LV | 39 | 54 | -15 |
| Economist/YouGov | 9/22 - 9/24 | 1198 RV | 37 | 56 | -19 |
| Harvard-Harris | 9/22 - 9/24 | 2009 RV | 37 | 55 | -18 |
| Politico/Morning Consult | 9/20 - 9/22 | 1994 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 9/16 - 9/17 | 939 RV | 33 | 58 | -25 |
| Rasmussen Reports | 9/15 - 9/19 | 2500 LV | 43 | 51 | -8 |
| Economist/YouGov | 9/14 - 9/17 | 1184 RV | 37 | 56 | -19 |
| Politico/Morning Consult | 9/13 - 9/16 | 1994 RV | 39 | 61 | -22 |
| Reuters/Ipsos | 9/9 - 9/10 | 992 RV | 34 | 57 | -23 |
| Rasmussen Reports | 9/8 - 9/12 | 2500 LV | 42 | 53 | -11 |
| Economist/YouGov | 9/8 - 9/10 | 1188 RV | 35 | 57 | -22 |
| Politico/Morning Consult | 9/7 - 9/8 | 1998 RV | 39 | 61 | -22 |
| Reuters/Ipsos | 9/3 - 9/4 | 950 RV | 34 | 58 | -24 |
| Rasmussen Reports | 9/1 - 9/5 | 2500 LV | 39 | 54 | -15 |
| Economist/YouGov | 9/1 - 9/3 | 1069 RV | 40 | 52 | -12 |
| Harvard-Harris | 8/26 - 8/28 | 2531 RV | 37 | 56 | -19 |
| Reuters/Ipsos | 8/26 - 8/27 | 961 RV | 32 | 58 | -26 |
| Rasmussen Reports | 8/25 - 8/29 | 2500 LV | 37 | 56 | -19 |
| Economist/YouGov | 8/24 - 8/27 | 1093 RV | 36 | 55 | -19 |
| Politico/Morning Consult | 8/23 - 8/25 | 1987 RV | 38 | 62 | -24 |
| IBD/TIPP | 8/22 - 8/30 | 903 A | 44 | 55 | -11 |
| USA Today/Suffolk | 8/20 - 8/25 | 1000 RV | 33 | 56 | -23 |
| Reuters/Ipsos | 8/19 - 8/20 | 985 RV | 32 | 57 | -25 |
| Rasmussen Reports | 8/18 - 8/22 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 8/17 - 8/20 | 1111 RV | 35 | 57 | -22 |
| Monmouth | 8/16 - 8/20 | 689 RV | 30 | 60 | -30 |
| Politico/Morning Consult | 8/16 - 8/18 | 1998 RV | 37 | 63 | -26 |
| Reuters/Ipsos | 8/12 - 8/13 | 980 RV | 31 | 60 | -29 |
| Rasmussen Reports | 8/11 - 8/15 | 2500 LV | 37 | 58 | -21 |
| NBC News/Wall St. Jrnl | 8/10 - 8/14 | 1000 A | 33 | 60 | -27 |
| Economist/YouGov | 8/10 - 8/13 | 1127 RV | 34 | 58 | -24 |
| Politico/Morning Consult | 8/9 - 8/11 | 1993 RV | 37 | 63 | -26 |
| Politico/Morning Consult | 8/5 - 8/7 | 1960 RV | 37 | 63 | -26 |
| Rasmussen Reports | 8/4 - 8/8 | 2500 LV | 39 | 55 | -16 |
| Economist/YouGov | 8/3 - 8/6 | 1161 RV | 35 | 58 | -23 |
| Reuters/Ipsos | 8/1 - 8/5 | 1795 RV | 33 | 58 | -25 |
| Politico/Morning Consult | 8/1 - 8/3 | 1996 RV | 42 | 58 | -16 |
| Harvard-Harris | 7/31 - 8/1 | 816 RV | 37 | 54 | -17 |
| Reuters/Ipsos | 7/29 - 7/30 | 972 RV | 33 | 59 | -26 |
| Rasmussen Reports | 7/28 - 8/1 | 2500 LV | 41 | 54 | -13 |
| Economist/YouGov | 7/27 - 7/30 | 1101 RV | 37 | 56 | -19 |
| IBD/TIPP | 7/25 - 8/1 | 902 A | 47 | 52 | -5 |
| Politico/Morning Consult | 7/25 - 7/27 | 1994 RV | 40 | 60 | -20 |
| Politico/Morning Consult | 7/25 - 7/25 | 1992 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 7/22 - 7/23 | 963 RV | 32 | 60 | -28 |
| Rasmussen Reports | 7/21 - 7/25 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 7/21 - 7/23 | 1212 RV | 38 | 54 | -16 |
| Politico/Morning Consult | 7/19 - 7/21 | 1992 RV | 37 | 63 | -26 |
| Reuters/Ipsos | 7/15 - 7/16 | 954 RV | 32 | 59 | -27 |
| Rasmussen Reports | 7/14 - 7/18 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 7/14 - 7/16 | 1149 RV | 37 | 54 | -17 |
| Politico/Morning Consult | 7/12 - 7/14 | 1984 RV | 39 | 61 | -22 |
| Reuters/Ipsos | 7/8 - 7/9 | 971 RV | 31 | 58 | -27 |
| Rasmussen Reports | 7/7 - 7/11 | 2500 LV | 40 | 53 | -13 |
| Economist/YouGov | 7/7 - 7/9 | 1140 RV | 38 | 54 | -16 |
| Rasmussen Reports | 6/30 - 7/2 | 2500 LV | 42 | 52 | -10 |
| Economist/YouGov | 6/30 - 7/2 | 1265 RV | 38 | 55 | -17 |
| Politico/Morning Consult | 6/29 - 7/1 | 1472 RV | 41 | 59 | -18 |
| Reuters/Ipsos | 6/28 - 7/2 | 1973 RV | 33 | 57 | -24 |
| Harvard-Harris | 6/26 - 6/29 | 2182 RV | 38 | 55 | -17 |
| Reuters/Ipsos | 6/24 - 6/25 | 975 RV | 33 | 57 | -24 |
| Rasmussen Reports | 6/23 - 6/27 | 2500 LV | 42 | 52 | -10 |
| Economist/YouGov | 6/22 - 6/25 | 1111 RV | 38 | 54 | -16 |
| Politico/Morning Consult | 6/21 - 6/24 | 1991 RV | 40 | 60 | -20 |
| IBD/TIPP | 6/20 - 6/27 | 900 A | 49 | 50 | -1 |
| Reuters/Ipsos | 6/17 - 6/18 | 892 RV | 35 | 58 | -23 |
| Rasmussen Reports | 6/16 - 6/20 | 2500 LV | 42 | 53 | -11 |
| Economist/YouGov | 6/16 - 6/18 | 1202 RV | 37 | 55 | -18 |
| Politico/Morning Consult | 6/14 - 6/16 | 1992 RV | 38 | 62 | -24 |
| Monmouth | 6/12 - 6/17 | 660 RV | 31 | 62 | -31 |
| USA Today/Suffolk | 6/11 - 6/15 | 1000 RV | 42 | 50 | -8 |
| Reuters/Ipsos | 6/10 - 6/11 | 983 RV | 32 | 61 | -29 |
| Rasmussen Reports | 6/9 - 6/13 | 2500 LV | 41 | 54 | -13 |
| Economist/YouGov | 6/9 - 6/11 | 1107 RV | 39 | 52 | -13 |
| Politico/Morning Consult | 6/7 - 6/9 | 1991 RV | 39 | 61 | -22 |
| Rasmussen Reports | 6/2 - 6/6 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 6/2 - 6/4 | 1195 RV | 37 | 55 | -18 |
| Politico/Morning Consult | 5/31 - 6/2 | 1997 RV | 39 | 61 | -22 |
| IBD/TIPP | 5/30 - 6/7 | 906 A | 46 | 53 | -7 |
| Reuters/Ipsos | 5/29 - 6/5 | 3851 RV | 33 | 58 | -25 |
| Harvard-Harris | 5/29 - 5/30 | 1295 RV | 39 | 52 | -13 |
| Reuters/Ipsos | 5/28 - 5/29 | 984 RV | 36 | 57 | -21 |
| Rasmussen Reports | 5/26 - 5/30 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 5/26 - 5/28 | 1120 RV | 35 | 56 | -21 |
| Rasmussen Reports | 5/19 - 5/23 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 5/18 - 5/21 | 1113 RV | 37 | 56 | -19 |
| CBS News | 5/17 - 5/20 | 1101 A | 35 | 59 | -24 |
| Reuters/Ipsos | 5/17 - 5/20 | 869 RV | 37 | 57 | -20 |
| Politico/Morning Consult | 5/17 - 5/19 | 1995 RV | 38 | 62 | -24 |
| Monmouth | 5/16 - 5/20 | 719 RV | 30 | 63 | -33 |
| Rasmussen Reports | 5/12 - 5/16 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 5/12 - 5/14 | 1244 RV | 37 | 56 | -19 |
| Reuters/Ipsos | 5/10 - 5/14 | 1707 RV | 33 | 59 | -26 |
| Politico/Morning Consult | 5/10 - 5/12 | 1995 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 5/6 - 5/7 | 841 RV | 38 | 55 | -17 |
| Rasmussen Reports | 5/5 - 5/9 | 2500 LV | 42 | 53 | -11 |
| Economist/YouGov | 5/5 - 5/7 | 1168 RV | 37 | 54 | -17 |
| Politico/Morning Consult | 5/3 - 5/6 | 1990 RV | 40 | 60 | -20 |
| Harvard-Harris | 4/30 - 5/1 | 1536 RV | 38 | 54 | -16 |
| Reuters/Ipsos | 4/29 - 4/30 | 1004 A | 32 | 56 | -24 |
| Rasmussen Reports | 4/28 - 5/2 | 2500 LV | 42 | 50 | -8 |
| Politico/Morning Consult | 4/28 - 4/29 | 1995 RV | 39 | 61 | -22 |
| Economist/YouGov | 4/27 - 4/30 | 1073 RV | 35 | 56 | -21 |
| IBD/TIPP | 4/26 - 5/5 | 900 A | 48 | 52 | -4 |
| Rasmussen Reports | 4/21 - 4/25 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 4/21 - 4/23 | 1268 RV | 39 | 52 | -13 |
| Politico/Morning Consult | 4/19 - 4/21 | 1992 RV | 37 | 63 | -26 |
| Reuters/Ipsos | 4/17 - 4/23 | 4018 A | 32 | 56 | -24 |
| Reuters/Ipsos | 4/15 - 4/16 | 1006 A | 32 | 58 | -26 |
| Rasmussen Reports | 4/14 - 4/18 | 2500 LV | 42 | 53 | -11 |
| Economist/YouGov | 4/13 - 4/16 | 1186 RV | 35 | 57 | -22 |
| Politico/Morning Consult | 4/12 - 4/14 | 1998 RV | 41 | 59 | -18 |
| Monmouth | 4/11 - 4/15 | 711 RV | 29 | 61 | -32 |
| Rasmussen Reports | 4/7 - 4/11 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 4/6 - 4/9 | 1267 RV | 36 | 56 | -20 |
| Reuters/Ipsos | 4/5 - 4/9 | 2667 A | 32 | 58 | -26 |
| Politico/Morning Consult | 4/5 - 4/7 | 1992 RV | 37 | 63 | -26 |
| GU Politics/Battleground | 3/31 - 4/4 | 1000 RV | 35 | 57 | -22 |
| Rasmussen Reports | 3/31 - 4/4 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 3/31 - 4/2 | 1227 RV | 35 | 56 | -21 |
| Politico/Morning Consult | 3/29 - 4/1 | 1945 RV | 40 | 60 | -20 |
| IBD/TIPP | 3/28 - 4/6 | 907 A | 45 | 53 | -8 |
| Reuters/Ipsos | 3/26 - 4/1 | 3962 A | 35 | 54 | -19 |
| Harvard-Harris | 3/25 - 3/26 | 1437 RV | 38 | 53 | -15 |
| Politico/Morning Consult | 3/25 - 3/26 | 1978 RV | 39 | 61 | -22 |
| Rasmussen Reports | 3/24 - 3/28 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 3/24 - 3/26 | 1249 RV | 36 | 56 | -20 |
| Reuters/Ipsos | 3/20 - 3/26 | 4603 A | 34 | 55 | -21 |
| Rasmussen Reports | 3/17 - 3/21 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 3/17 - 3/19 | 1287 RV | 33 | 59 | -26 |
| Politico/Morning Consult | 3/15 - 3/17 | 1991 RV | 36 | 64 | -28 |
| Reuters/Ipsos | 3/13 - 3/19 | 2222 A | 30 | 58 | -28 |
| USA Today/Suffolk | 3/13 - 3/17 | 1000 RV | 38 | 52 | -14 |
| Rasmussen Reports | 3/10 - 3/14 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 3/10 - 3/12 | 1279 RV | 36 | 57 | -21 |
| Politico/Morning Consult | 3/8 - 3/10 | 1994 RV | 37 | 63 | -26 |
| Reuters/Ipsos | 3/6 - 3/12 | 2207 A | 31 | 57 | -26 |
| Rasmussen Reports | 3/3 - 3/7 | 2500 LV | 37 | 58 | -21 |
| Economist/YouGov | 3/3 - 3/5 | 1304 RV | 37 | 55 | -18 |
| Monmouth | 3/1 - 3/4 | 746 RV | 29 | 62 | -33 |
| Politico/Morning Consult | 3/1 - 3/3 | 1993 RV | 38 | 62 | -24 |
| Reuters/Ipsos | 2/27 - 3/5 | 3269 A | 30 | 58 | -28 |
| Rasmussen Reports | 2/24 - 2/28 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 2/24 - 2/26 | 1328 RV | 36 | 56 | -20 |
| Politico/Morning Consult | 2/22 - 2/24 | 1994 RV | 37 | 63 | -26 |
| IBD/TIPP | 2/21 - 3/2 | 907 A | 46 | 53 | -7 |
| Reuters/Ipsos | 2/20 - 2/26 | 3514 A | 30 | 58 | -28 |
| Harvard-Harris | 2/19 - 2/20 | 1792 RV | 38 | 55 | -17 |
| Rasmussen Reports | 2/17 - 2/21 | 2500 LV | 41 | 54 | -13 |
| Economist/YouGov | 2/17 - 2/19 | 1318 RV | 37 | 55 | -18 |
| Politico/Morning Consult | 2/15 - 2/19 | 1914 RV | 36 | 64 | -28 |
| Emerson | 2/14 - 2/16 | 1000 RV | 39 | 52 | -13 |
| Reuters/Ipsos | 2/13 - 2/19 | 3322 A | 31 | 58 | -27 |
| Rasmussen Reports | 2/10 - 2/14 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 2/10 - 2/12 | 1283 RV | 34 | 58 | -24 |
| Politico/Morning Consult | 2/7 - 2/10 | 1991 RV | 39 | 61 | -22 |
| Reuters/Ipsos | 2/6 - 2/12 | 2240 A | 30 | 58 | -28 |
| Rasmussen Reports | 2/3 - 2/7 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 2/2 - 2/5 | 1294 RV | 32 | 59 | -27 |
| Politico/Morning Consult | 2/1 - 2/2 | 1993 RV | 35 | 65 | -30 |
| Reuters/Ipsos | 1/30 - 2/5 | 2470 A | 27 | 62 | -35 |
| Rasmussen Reports | 1/27 - 1/31 | 2500 LV | 31 | 63 | -32 |
| Economist/YouGov | 1/27 - 1/29 | 1313 RV | 33 | 60 | -27 |
| Politico/Morning Consult | 1/25 - 1/27 | 1997 RV | 34 | 66 | -32 |
| IBD/TIPP | 1/24 - 2/1 | 905 A | 35 | 63 | -28 |
| Reuters/Ipsos | 1/23 - 1/29 | 2958 A | 28 | 61 | -33 |
| Rasmussen Reports | 1/20 - 1/24 | 2500 LV | 34 | 61 | -27 |
| NBC News/Wall St. Jrnl | 1/20 - 1/23 | 900 A | 28 | 63 | -35 |
| Economist/YouGov | 1/20 - 1/22 | 1257 RV | 33 | 61 | -28 |
| Emerson | 1/20 - 1/21 | 942 RV | 35 | 53 | -18 |
| Politico/Morning Consult | 1/18 - 1/22 | 1996 RV | 34 | 66 | -32 |
| Reuters/Ipsos | 1/16 - 1/22 | 2274 A | 29 | 59 | -30 |
| Harvard-Harris | 1/15 - 1/16 | 1540 RV | 36 | 56 | -20 |
| Rasmussen Reports | 1/13 - 1/17 | 2500 LV | 33 | 61 | -28 |
| Economist/YouGov | 1/12 - 1/15 | 1289 RV | 35 | 57 | -22 |
| Reuters/Ipsos | 1/9 - 1/15 | 3363 A | 30 | 58 | -28 |
| Rasmussen Reports | 1/6 - 1/10 | 1000 LV | 36 | 58 | -22 |
| Economist/YouGov | 1/6 - 1/8 | 1299 RV | 32 | 58 | -26 |
| Reuters/Ipsos | 1/2 - 1/8 | 2201 A | 30 | 55 | -25 |
| Rasmussen Reports | 1/2 - 1/3 | 1000 LV | 37 | 57 | -20 |
| IBD/TIPP | 1/1 - 1/12 | 903 A | 41 | 58 | -17 |
| Economist/YouGov | 12/30 - 1/1 | 1283 RV | 36 | 55 | -19 |
| Reuters/Ipsos | 12/26 - 1/1 | 2482 A | 33 | 55 | -22 |
| Harvard-Harris | 12/24 - 12/25 | 1473 RV | 38 | 54 | -16 |
| Rasmussen Reports | 12/23 - 12/27 | 2500 LV | 39 | 55 | -16 |
| Rasmussen Reports | 12/16 - 12/20 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 12/16 - 12/18 | 1316 RV | 37 | 54 | -17 |
| Reuters/Ipsos | 12/12 - 12/18 | 2201 A | 34 | 54 | -20 |
| USA Today/Suffolk | 12/11 - 12/16 | 1000 RV | 35 | 54 | -19 |
| Rasmussen Reports | 12/9 - 12/13 | 2500 LV | 41 | 53 | -12 |
| NBC News/Wall St. Jrnl | 12/9 - 12/12 | 900 A | 33 | 56 | -23 |
| Economist/YouGov | 12/9 - 12/11 | 1303 RV | 39 | 53 | -14 |
| Reuters/Ipsos | 12/5 - 12/11 | 2257 A | 34 | 53 | -19 |
| Rasmussen Reports | 12/2 - 12/6 | 2500 LV | 43 | 51 | -8 |
| Economist/YouGov | 12/2 - 12/4 | 1286 RV | 39 | 53 | -14 |
| NPR/PBS/Marist | 11/28 - 12/4 | 835 RV | 35 | 56 | -21 |
| Reuters/Ipsos | 11/28 - 12/4 | 2401 A | 32 | 53 | -21 |
| IBD/TIPP | 11/26 - 12/2 | 823 A | 44 | 55 | -11 |
| Rasmussen Reports | 11/26 - 11/29 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 11/25 - 11/27 | 1293 RV | 39 | 52 | -13 |
| Harvard-Harris | 11/25 - 11/26 | 1407 RV | 40 | 52 | -12 |
| Reuters/Ipsos | 11/21 - 11/27 | 2289 A | 33 | 54 | -21 |
| Rasmussen Reports | 11/19 - 11/21 | 2500 LV | 44 | 51 | -7 |
| Economist/YouGov | 11/18 - 11/20 | 1328 RV | 38 | 53 | -15 |
| CBS News | 11/15 - 11/18 | 1103 A | 36 | 58 | -22 |
| Reuters/Ipsos | 11/14 - 11/20 | 2232 A | 35 | 53 | -18 |
| Rasmussen Reports | 11/11 - 11/15 | 2500 LV | 41 | 52 | -11 |
| Economist/YouGov | 11/11 - 11/13 | 1284 RV | 35 | 56 | -21 |
| Monmouth | 11/9 - 11/12 | 716 RV | 36 | 54 | -18 |
| Reuters/Ipsos | 11/7 - 11/13 | 2149 A | 35 | 52 | -17 |
| Rasmussen Reports | 11/4 - 11/8 | 2500 LV | 43 | 53 | -10 |
| Economist/YouGov | 11/4 - 11/6 | 1290 RV | 41 | 52 | -11 |
| NBC News/Wall St. Jrnl | 11/1 - 11/3 | 1000 RV | 38 | 54 | -16 |
| Rasmussen Reports | 10/28 - 11/1 | 2500 LV | 43 | 53 | -10 |
| Economist/YouGov | 10/28 - 10/30 | 1296 RV | 38 | 55 | -17 |
| Harvard-Harris | 10/26 - 10/28 | 1835 RV | 39 | 53 | -14 |
| IBD/TIPP | 10/25 - 11/3 | 900 A | 46 | 52 | -6 |
| Reuters/Ipsos | 10/24 - 10/30 | 1383 LV | 39 | 54 | -15 |
| Rasmussen Reports | 10/21 - 10/25 | 2500 LV | 43 | 53 | -10 |
| Economist/YouGov | 10/21 - 10/23 | 1233 RV | 40 | 52 | -12 |
| USA Today/Suffolk | 10/18 - 10/22 | 1000 LV | 36 | 55 | -19 |
| Reuters/Ipsos | 10/17 - 10/23 | 2062 LV | 43 | 52 | -9 |
| Rasmussen Reports | 10/14 - 10/18 | 2500 LV | 43 | 51 | -8 |
| CBS News | 10/14 - 10/17 | 1108 A | 37 | 58 | -21 |
| Economist/YouGov | 10/14 - 10/16 | 1273 RV | 40 | 53 | -13 |
| Reuters/Ipsos | 10/10 - 10/16 | 1194 LV | 38 | 55 | -17 |
| Rasmussen Reports | 10/7 - 10/11 | 2500 LV | 43 | 51 | -8 |
| Economist/YouGov | 10/7 - 10/9 | 1162 RV | 38 | 54 | -16 |
| Reuters/Ipsos | 10/3 - 10/9 | 2012 LV | 37 | 58 | -21 |
| Rasmussen Reports | 9/30 - 10/4 | 2500 LV | 43 | 52 | -9 |
| Economist/YouGov | 9/30 - 10/2 | 1227 RV | 36 | 57 | -21 |
| Harvard-Harris | 9/29 - 9/30 | 1330 RV | 38 | 55 | -17 |
| IBD/TIPP | 9/27 - 10/3 | 905 A | 45 | 53 | -8 |
| Reuters/Ipsos | 9/26 - 10/2 | 1840 LV | 39 | 55 | -16 |
| Harvard-Harris | 9/26 - 9/27 | 1228 RV | 38 | 53 | -15 |
| Rasmussen Reports | 9/23 - 9/27 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 9/23 - 9/25 | 1238 RV | 38 | 53 | -15 |
| Reuters/Ipsos | 9/19 - 9/25 | 1425 LV | 40 | 54 | -14 |
| Rasmussen Reports | 9/16 - 9/20 | 2500 LV | 42 | 52 | -10 |
| Economist/YouGov | 9/16 - 9/18 | 1195 RV | 42 | 50 | -8 |
| Reuters/Ipsos | 9/12 - 9/18 | 1304 LV | 41 | 53 | -12 |
| Rasmussen Reports | 9/9 - 9/13 | 2500 L | 44 | 51 | -7 |
| Economist/YouGov | 9/9 - 9/11 | 1220 RV | 40 | 53 | -13 |
| Reuters/Ipsos | 9/5 - 9/11 | 1226 LV | 39 | 57 | -18 |
| Rasmussen Reports | 9/2 - 9/6 | 2500 LV | 42 | 53 | -11 |
| Economist/YouGov | 9/2 - 9/4 | 1254 RV | 39 | 54 | -15 |
| Reuters/Ipsos | 8/29 - 9/4 | 2012 RV | 34 | 55 | -21 |
| Rasmussen Reports | 8/26 - 8/30 | 2500 LV | 43 | 52 | -9 |
| Economist/YouGov | 8/26 - 8/28 | 1249 RV | 38 | 52 | -14 |
| IBD/TIPP | 8/23 - 8/30 | 902 A | 47 | 53 | -6 |
| USA Today/Suffolk | 8/23 - 8/28 | 1000 RV | 34 | 55 | -21 |
| Reuters/Ipsos | 8/22 - 8/28 | 2920 RV | 34 | 58 | -24 |
| Harvard-Harris | 8/22 - 8/23 | 1330 RV | 39 | 52 | -13 |
| Rasmussen Reports | 8/19 - 8/23 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 8/19 - 8/21 | 1247 RV | 40 | 50 | -10 |
| Reuters/Ipsos | 8/15 - 8/21 | 1885 RV | 36 | 55 | -19 |
| Monmouth | 8/15 - 8/19 | 725 RV | 36 | 55 | -19 |
| Rasmussen Reports | 8/12 - 8/16 | 2500 LV | 43 | 52 | -9 |
| Economist/YouGov | 8/12 - 8/14 | 1250 RV | 40 | 52 | -12 |
| Reuters/Ipsos | 8/8 - 8/14 | 1860 RV | 37 | 54 | -17 |
| Rasmussen Reports | 8/5 - 8/9 | 2500 LV | 43 | 52 | -9 |
| Economist/YouGov | 8/5 - 8/7 | 1289 RV | 41 | 52 | -11 |
| Reuters/Ipsos | 8/3 - 8/7 | 1479 RV | 36 | 54 | -18 |
| Rasmussen Reports | 7/29 - 8/2 | 2500 LV | 44 | 51 | -7 |
| Economist/YouGov | 7/29 - 7/31 | 1222 RV | 40 | 52 | -12 |
| Reuters/Ipsos | 7/27 - 7/31 | 1571 RV | 37 | 54 | -17 |
| IBD/TIPP | 7/26 - 8/2 | 900 A | 50 | 48 | +2 |
| Harvard-Harris | 7/24 - 7/25 | 1323 RV | 39 | 52 | -13 |
| Rasmussen Reports | 7/22 - 7/26 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 7/22 - 7/24 | 1203 RV | 38 | 53 | -15 |
| Reuters/Ipsos | 7/20 - 7/24 | 1165 RV | 36 | 56 | -20 |
| Rasmussen Reports | 7/15 - 7/19 | 2500 LV | 41 | 54 | -13 |
| Economist/YouGov | 7/15 - 7/17 | 1272 RV | 39 | 53 | -14 |
| Reuters/Ipsos | 7/13 - 7/17 | 2357 RV | 35 | 56 | -21 |
| Rasmussen Reports | 7/8 - 7/12 | 2500 LV | 42 | 54 | -12 |
| Economist/YouGov | 7/8 - 7/10 | 1246 RV | 37 | 53 | -16 |
| Reuters/Ipsos | 7/6 - 7/10 | 1295 RV | 33 | 58 | -25 |
| Rasmussen Reports | 7/1 - 7/5 | 2500 LV | 39 | 55 | -16 |
| Economist/YouGov | 7/1 - 7/3 | 1263 RV | 38 | 54 | -16 |
| Reuters/Ipsos | 6/28 - 7/2 | 2252 RV | 37 | 53 | -16 |
| Rasmussen Reports | 6/24 - 6/28 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 6/24 - 6/26 | 1278 RV | 37 | 53 | -16 |
| Harvard-Harris | 6/24 - 6/25 | 1448 RV | 39 | 52 | -13 |
| Reuters/Ipsos | 6/22 - 6/26 | 1199 RV | 37 | 54 | -17 |
| IBD/TIPP | 6/21 - 6/29 | 900 A | 45 | 54 | -9 |
| Rasmussen Reports | 6/17 - 6/21 | 2500 LV | 42 | 50 | -8 |
| Economist/YouGov | 6/17 - 6/19 | 1272 RV | 39 | 51 | -12 |
| Reuters/Ipsos | 6/15 - 6/19 | 1604 RV | 39 | 52 | -13 |
| USA Today/Suffolk | 6/13 - 6/18 | 1000 RV | 40 | 49 | -9 |
| Monmouth | 6/12 - 6/13 | 711 RV | 39 | 54 | -15 |
| Rasmussen Reports | 6/10 - 6/14 | 2500 LV | 43 | 51 | -8 |
| Economist/YouGov | 6/10 - 6/12 | 1308 RV | 39 | 53 | -14 |
| Reuters/Ipsos | 6/8 - 6/12 | 2018 RV | 36 | 52 | -16 |
| Rasmussen Reports | 6/3 - 6/7 | 2500 LV | 43 | 51 | -8 |
| Economist/YouGov | 6/3 - 6/5 | 1292 RV | 38 | 54 | -16 |
| Reuters/Ipsos | 6/1 - 6/5 | 1265 RV | 33 | 56 | -23 |
| NBC News/Wall St. Jrnl | 6/1 - 6/4 | 900 RV | 36 | 55 | -19 |
| IBD/TIPP | 5/29 - 6/5 | 905 A | 47 | 52 | -5 |
| Rasmussen Reports | 5/27 - 5/31 | 2500 LV | 39 | 54 | -15 |
| Economist/YouGov | 5/27 - 5/29 | 1279 RV | 37 | 54 | -17 |
| Reuters/Ipsos | 5/25 - 5/29 | 1931 RV | 37 | 55 | -18 |
| Rasmussen Reports | 5/21 - 5/25 | 2500 LV | 42 | 53 | -11 |
| Harvard-Harris | 5/21 - 5/22 | 1347 RV | 36 | 55 | -19 |
| Economist/YouGov | 5/20 - 5/22 | 1263 RV | 37 | 53 | -16 |
| Reuters/Ipsos | 5/18 - 5/22 | 1080 RV | 37 | 53 | -16 |
| Rasmussen Reports | 5/13 - 5/17 | 2500 LV | 42 | 52 | -10 |
| Economist/YouGov | 5/13 - 5/15 | 1231 RV | 42 | 48 | -6 |
| Reuters/Ipsos | 5/11 - 5/15 | 1290 RV | 37 | 54 | -17 |
| Rasmussen Reports | 5/6 - 5/10 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 5/6 - 5/8 | 1232 RV | 38 | 51 | -13 |
| Reuters/Ipsos | 5/4 - 5/8 | 1171 RV | 37 | 52 | -15 |
| Rasmussen Reports | 4/29 - 5/3 | 2500 LV | 42 | 52 | -10 |
| Economist/YouGov | 4/29 - 5/1 | 1273 RV | 38 | 51 | -13 |
| Reuters/Ipsos | 4/27 - 5/1 | 1337 RV | 41 | 50 | -9 |
| IBD/TIPP | 4/26 - 5/4 | 900 A | 46 | 53 | -7 |
| Monmouth | 4/26 - 4/30 | 681 RV | 35 | 57 | -22 |
| Rasmussen Reports | 4/22 - 4/26 | 2500 LV | 41 | 53 | -12 |
| Harvard-Harris | 4/22 - 4/24 | 1549 RV | 35 | 53 | -18 |
| Economist/YouGov | 4/22 - 4/24 | 1270 RV | 36 | 54 | -18 |
| Reuters/Ipsos | 4/20 - 4/24 | 1248 RV | 31 | 56 | -25 |
| Rasmussen Reports | 4/15 - 4/19 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 4/15 - 4/17 | 1274 RV | 34 | 56 | -22 |
| Reuters/Ipsos | 4/13 - 4/17 | 1238 RV | 33 | 59 | -26 |
| NPR/PBS/Marist | 4/10 - 4/13 | 827 RV | 37 | 57 | -20 |
| Rasmussen Reports | 4/8 - 4/12 | 2500 LV | 40 | 54 | -14 |
| NBC News/Wall St. Jrnl | 4/8 - 4/11 | 900 A | 31 | 62 | -31 |
| Economist/YouGov | 4/8 - 4/10 | 1292 RV | 35 | 56 | -21 |
| Reuters/Ipsos | 4/6 - 4/10 | 1219 RV | 29 | 61 | -32 |
| Rasmussen Reports | 4/1 - 4/5 | 2500 LV | 40 | 54 | -14 |
| Economist/YouGov | 4/1 - 4/3 | 1246 RV | 35 | 55 | -20 |
| Reuters/Ipsos | 3/30 - 4/3 | 1519 RV | 34 | 57 | -23 |
| Harvard-Harris | 3/27 - 3/29 | 1340 RV | 37 | 53 | -16 |
| Rasmussen Reports | 3/25 - 3/29 | 2500 LV | 38 | 55 | -17 |
| Economist/YouGov | 3/25 - 3/27 | 1330 RV | 34 | 57 | -23 |
| Reuters/Ipsos | 3/23 - 3/27 | 1392 RV | 30 | 59 | -29 |
| IBD/TIPP | 3/22 - 3/29 | 902 A | 43 | 55 | -12 |
| Marist | 3/19 - 3/21 | 1015 RV | 36 | 55 | -19 |
| Rasmussen Reports | 3/18 - 3/22 | 2500 LV | 39 | 56 | -17 |
| Economist/YouGov | 3/18 - 3/20 | 1284 RV | 35 | 54 | -19 |
| Reuters/Ipsos | 3/16 - 3/20 | 1337 RV | 34 | 56 | -22 |
| Rasmussen Reports | 3/11 - 3/15 | 2500 LV | 41 | 53 | -12 |
| Economist/YouGov | 3/10 - 3/13 | 1291 RV | 36 | 54 | -18 |
| Reuters/Ipsos | 3/9 - 3/13 | 1411 A | 31 | 56 | -25 |
| Rasmussen Reports | 3/4 - 3/8 | 2500 LV | 37 | 56 | -19 |
| GWU/Battleground | 3/4 - 3/8 | 1000 RV | 35 | 59 | -24 |
| Economist/YouGov | 3/4 - 3/6 | 1310 RV | 34 | 56 | -22 |
| Reuters/Ipsos | 3/2 - 3/6 | 2927 A | 31 | 56 | -25 |
| Monmouth | 3/2 - 3/5 | 708 RV | 33 | 60 | -27 |
| Rasmussen Reports | 2/25 - 3/1 | 2500 LV | 40 | 53 | -13 |
| Economist/YouGov | 2/25 - 2/27 | 1296 RV | 34 | 58 | -24 |
| Reuters/Ipsos | 2/23 - 2/27 | 1651 A | 31 | 57 | -26 |
| USA Today/Suffolk | 2/20 - 2/24 | 1000 RV | 29 | 60 | -31 |
| Rasmussen Reports | 2/18 - 2/22 | 2500 LV | 37 | 56 | -19 |
| Economist/YouGov | 2/18 - 2/20 | 1308 RV | 35 | 55 | -20 |
| Reuters/Ipsos | 2/16 - 2/20 | 1104 A | 31 | 57 | -26 |
| Harvard-Harris | 2/16 - 2/19 | 1934 RV | 37 | 54 | -17 |
| Rasmussen Reports | 2/11 - 2/15 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 2/11 - 2/13 | 1280 RV | 39 | 52 | -13 |
| Reuters/Ipsos | 2/9 - 2/13 | 1515 A | 32 | 56 | -24 |
| Marist | 2/5 - 2/7 | 807 RV | 37 | 57 | -20 |
| Rasmussen Reports | 2/4 - 2/8 | 2500 LV | 43 | 52 | -9 |
| Economist/YouGov | 2/4 - 2/6 | 1320 RV | 39 | 52 | -13 |
| Reuters/Ipsos | 2/2 - 2/6 | 3110 A | 32 | 55 | -23 |
| Rasmussen Reports | 1/28 - 2/1 | 2500 LV | 42 | 53 | -11 |
| Economist/YouGov | 1/28 - 1/30 | 1264 RV | 39 | 51 | -12 |
| Monmouth | 1/28 - 1/30 | 711 RV | 39 | 55 | -16 |
| Reuters/Ipsos | 1/26 - 1/30 | 1856 A | 35 | 54 | -19 |
| IBD/TIPP | 1/25 - 2/2 | 900 A | 45 | 54 | -9 |
| Rasmussen Reports | 1/21 - 1/25 | 2500 LV | 39 | 55 | -16 |
| Economist/YouGov | 1/21 - 1/23 | 1301 RV | 37 | 55 | -18 |
| Reuters/Ipsos | 1/19 - 1/23 | 2981 A | 30 | 58 | -28 |
| Harvard-Harris | 1/17 - 1/19 | 980 RV | 35 | 54 | -19 |
| Rasmussen Reports | 1/14 - 1/18 | 2500 LV | 39 | 55 | -16 |
| Economist/YouGov | 1/14 - 1/16 | 1311 RV | 39 | 53 | -14 |
| Harvard-Harris | 1/13 - 1/16 | 1192 RV | 35 | 55 | -20 |
| CBS News | 1/13 - 1/16 | 1225 A | 34 | 60 | -26 |
| Reuters/Ipsos | 1/12 - 1/16 | 1638 A | 30 | 57 | -27 |
| NPR/PBS/Marist | 1/8 - 1/10 | 1092 RV | 37 | 55 | -18 |
| Economist/YouGov | 1/8 - 1/9 | 1327 RV | 38 | 52 | -14 |
| Rasmussen Reports | 1/7 - 1/11 | 2500 LV | 40 | 54 | -14 |
| Reuters/Ipsos | 1/5 - 1/9 | 1616 A | 34 | 53 | -19 |
| Rasmussen Reports | 1/2 - 1/4 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 12/31 - 1/2 | 1277 RV | 37 | 53 | -16 |
| Reuters/Ipsos | 12/29 - 1/2 | 1770 A | 33 | 54 | -21 |
| Rasmussen Reports | 12/26 - 12/28 | 2500 LV | 40 | 55 | -15 |
| Economist/YouGov | 12/24 - 12/26 | 1004 RV | 37 | 52 | -15 |
| Rasmussen Reports | 12/17 - 12/21 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 12/17 - 12/19 | 1291 RV | 36 | 55 | -19 |
| Reuters/Ipsos | 12/15 - 12/19 | 2492 A | 27 | 61 | -34 |
| NBC News/Wall St. Jrnl | 12/13 - 12/15 | 900 A | 29 | 63 | -34 |
| Rasmussen Reports | 12/10 - 12/14 | 2500 LV | 35 | 59 | -24 |
| Economist/YouGov | 12/10 - 12/12 | 1338 RV | 35 | 55 | -20 |
| Monmouth | 12/10 - 12/12 | 702 RV | 25 | 66 | -41 |
| Reuters/Ipsos | 12/8 - 12/12 | 1457 A | 25 | 62 | -37 |
| Harvard-Harris | 12/8 - 12/11 | 1989 RV | 32 | 56 | -24 |
| USA Today/Suffolk | 12/5 - 12/9 | 1000 RV | 31 | 58 | -27 |
| Marist | 12/4 - 12/7 | 1079 RV | 31 | 64 | -33 |
| Rasmussen Reports | 12/3 - 12/7 | 2500 LV | 34 | 61 | -27 |
| Economist/YouGov | 12/3 - 12/5 | 1341 RV | 33 | 57 | -24 |
| Reuters/Ipsos | 12/1 - 12/5 | 1548 A | 28 | 58 | -30 |
| IBD/TIPP | 11/27 - 12/4 | 901 A | 41 | 58 | -17 |
| Rasmussen Reports | 11/26 - 11/30 | 2500 LV | 35 | 58 | -23 |
| Economist/YouGov | 11/26 - 11/28 | 1319 RV | 31 | 56 | -25 |
| Reuters/Ipsos | 11/24 - 11/28 | 1969 A | 28 | 58 | -30 |
| Rasmussen Reports | 11/19 - 11/21 | 2500 LV | 35 | 58 | -23 |
| Economist/YouGov | 11/19 - 11/21 | 1344 RV | 32 | 57 | -25 |
| Reuters/Ipsos | 11/17 - 11/22 | 1489 A | 24 | 63 | -39 |
| NPR/PBS/Marist | 11/13 - 11/15 | 802 RV | 34 | 58 | -24 |
| Rasmussen Reports | 11/12 - 11/16 | 2500 LV | 33 | 61 | -28 |
| Economist/YouGov | 11/12 - 11/14 | 1281 RV | 30 | 58 | -28 |
| Harvard-Harris | 11/11 - 11/14 | 2350 RV | 30 | 58 | -28 |
| Reuters/Ipsos | 11/10 - 11/14 | 1520 A | 26 | 62 | -36 |
| Marist | 11/6 - 11/9 | 850 RV | 27 | 67 | -40 |
| Rasmussen Reports | 11/5 - 11/9 | 2500 LV | 33 | 61 | -28 |
| Economist/YouGov | 11/5 - 11/7 | 1336 RV | 27 | 62 | -35 |
| Reuters/Ipsos | 11/3 - 11/7 | 1572 A | 24 | 63 | -39 |
| Rasmussen Reports | 10/29 - 11/2 | 2500 LV | 34 | 60 | -26 |
| Economist/YouGov | 10/29 - 10/31 | 1291 RV | 31 | 58 | -27 |
| Reuters/Ipsos | 10/27 - 10/31 | 1798 A | 26 | 63 | -37 |
| CBS News | 10/27 - 10/30 | 1109 A | 31 | 64 | -33 |
| IBD/TIPP | 10/26 - 11/3 | 917 A | 40 | 59 | -19 |
| Economist/YouGov | 10/22 - 10/24 | 1312 RV | 31 | 60 | -29 |
| Rasmussen Reports | 10/21 - 10/26 | 2500 LV | 32 | 62 | -30 |
| Reuters/Ipsos | 10/20 - 10/24 | 2352 A | 24 | 64 | -40 |
| Rasmussen Reports | 10/15 - 10/19 | 2500 LV | 33 | 61 | -28 |
| Marist | 10/15 - 10/17 | 928 RV | 31 | 63 | -32 |
| Economist/YouGov | 10/15 - 10/16 | 1326 RV | 31 | 59 | -28 |
| Harvard-Harris | 10/14 - 10/18 | 2159 RV | 29 | 60 | -31 |
| Reuters/Ipsos | 10/13 - 10/17 | 1678 A | 26 | 63 | -37 |
| Emerson | 10/12 - 10/14 | 820 RV | 40 | 50 | -10 |
| Rasmussen Reports | 10/8 - 10/12 | 2500 LV | 31 | 63 | -32 |
| Economist/YouGov | 10/7 - 10/10 | 1278 RV | 29 | 60 | -31 |
| Reuters/Ipsos | 10/6 - 10/10 | 1584 A | 24 | 64 | -40 |
| Rasmussen Reports | 10/1 - 10/5 | 2500 LV | 32 | 62 | -30 |
| Economist/YouGov | 10/1 - 10/3 | 1298 RV | 27 | 63 | -36 |
| Reuters/Ipsos | 9/30 - 10/3 | 1659 A | 25 | 63 | -38 |
| IBD/TIPP | 9/29 - 10/8 | 887 A | 35 | 64 | -29 |
| USA Today/Suffolk | 9/27 - 10/1 | 1000 RV | 24 | 64 | -40 |
| PBS/Marist | 9/25 - 9/27 | 886 RV | 28 | 65 | -37 |
| Rasmussen Reports | 9/24 - 9/28 | 2500 LV | 29 | 65 | -36 |
| Economist/YouGov | 9/24 - 9/26 | 1254 RV | 28 | 60 | -32 |
| Reuters/Ipsos | 9/22 - 9/26 | 3429 A | 25 | 61 | -36 |
| CBS News | 9/21 - 9/24 | 1202 A | 29 | 65 | -36 |
| Rasmussen Reports | 9/17 - 9/21 | 2500 LV | 33 | 60 | -27 |
| Economist/YouGov | 9/17 - 9/19 | 1292 RV | 31 | 59 | -28 |
| Reuters/Ipsos | 9/15 - 9/19 | 1557 A | 26 | 60 | -34 |
| Rasmussen Reports | 9/10 - 9/14 | 2500 LV | 31 | 62 | -31 |
| Economist/YouGov | 9/10 - 9/12 | 1313 RV | 31 | 57 | -26 |
| Reuters/Ipsos | 9/8 - 9/12 | 1669 A | 26 | 59 | -33 |
| Rasmussen Reports | 9/3 - 9/7 | 2500 LV | 34 | 59 | -25 |
| Economist/YouGov | 9/3 - 9/5 | 1309 RV | 31 | 57 | -26 |
| Reuters/Ipsos | 9/1 - 9/5 | 1672 A | 27 | 60 | -33 |
| Rasmussen Reports | 8/27 - 8/31 | 2500 LV | 32 | 61 | -29 |
| Economist/YouGov | 8/27 - 8/29 | 1278 RV | 28 | 62 | -34 |
| Reuters/Ipsos | 8/25 - 8/29 | 1767 A | 23 | 65 | -42 |
| IBD/TIPP | 8/23 - 8/31 | 905 A | 38 | 60 | -22 |
| Rasmussen Reports | 8/20 - 8/24 | 2500 LV | 29 | 64 | -35 |
| Economist/YouGov | 8/20 - 8/22 | 1327 RV | 26 | 62 | -36 |
| Reuters/Ipsos | 8/18 - 8/22 | 2744 A | 21 | 66 | -45 |
| Rasmussen Reports | 8/13 - 8/17 | 2500 LV | 30 | 64 | -34 |
| GWU/Battleground | 8/13 - 8/17 | 1000 RV | 28 | 64 | -36 |
| Economist/YouGov | 8/13 - 8/15 | 1291 RV | 28 | 61 | -33 |
| Reuters/Ipsos | 8/11 - 8/15 | 1587 A | 24 | 60 | -36 |
| Monmouth | 8/10 - 8/14 | 706 RV | 33 | 57 | -24 |
| Marist | 8/8 - 8/12 | 883 RV | 34 | 61 | -27 |
| Rasmussen Reports | 8/6 - 8/10 | 2500 LV | 36 | 56 | -20 |
| Economist/YouGov | 8/6 - 8/8 | 1303 RV | 31 | 57 | -26 |
| Reuters/Ipsos | 8/4 - 8/8 | 1671 A | 27 | 59 | -32 |
| Economist/YouGov | 7/31 - 8/1 | 1329 RV | 30 | 57 | -27 |
| Rasmussen Reports | 7/30 - 8/3 | 2500 LV | 32 | 60 | -28 |
| IBD/TIPP | 7/28 - 8/5 | 904 A | 36 | 63 | -27 |
| Reuters/Ipsos | 7/28 - 8/1 | 3130 A | 25 | 61 | -36 |
| Rasmussen Reports | 7/23 - 7/27 | 2500 LV | 33 | 61 | -28 |
| Economist/YouGov | 7/23 - 7/25 | 1282 RV | 32 | 57 | -25 |
| Reuters/Ipsos | 7/21 - 7/25 | 1532 A | 23 | 62 | -39 |
| Rasmussen Reports | 7/16 - 7/20 | 2500 LV | 33 | 61 | -28 |
| Economist/YouGov | 7/15 - 7/18 | 1273 RV | 31 | 58 | -27 |
| Reuters/Ipsos | 7/14 - 7/18 | 1470 A | 26 | 59 | -33 |
| Rasmussen Reports | 7/9 - 7/13 | 2500 LV | 33 | 61 | -28 |
| Economist/YouGov | 7/9 - 7/11 | 1284 RV | 34 | 55 | -21 |
| Bloomberg | 7/8 - 7/12 | 1001 A | 32 | 61 | -29 |
| Reuters/Ipsos | 7/7 - 7/11 | 1530 A | 29 | 58 | -29 |
| Economist/YouGov | 7/3 - 7/4 | 1323 RV | 33 | 55 | -22 |
| Rasmussen Reports | 7/2 - 7/6 | 2500 LV | 36 | 58 | -22 |
| Reuters/Ipsos | 6/30 - 7/4 | 1600 A | 29 | 58 | -29 |
| Rasmussen Reports | 6/25 - 6/29 | 2500 LV | 36 | 57 | -21 |
| Economist/YouGov | 6/25 - 6/27 | 1295 RV | 32 | 57 | -25 |
| USA Today/Suffolk | 6/24 - 6/27 | 1000 RV | 32 | 56 | -24 |
| IBD/TIPP | 6/23 - 6/29 | 900 A | 39 | 60 | -21 |
| Reuters/Ipsos | 6/23 - 6/27 | 1620 A | 25 | 60 | -35 |
| NPR/PBS/Marist | 6/21 - 6/25 | 995 RV | 31 | 63 | -32 |
| Rasmussen Reports | 6/18 - 6/22 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 6/18 - 6/20 | 1277 RV | 30 | 56 | -26 |
| Reuters/Ipsos | 6/16 - 6/20 | 1554 A | 24 | 63 | -39 |
| CBS News | 6/15 - 6/18 | 1117 A | 31 | 64 | -33 |
| Rasmussen Reports | 6/11 - 6/15 | 2500 LV | 35 | 58 | -23 |
| Economist/YouGov | 6/11 - 6/13 | 1310 RV | 35 | 53 | -18 |
| Reuters/Ipsos | 6/9 - 6/13 | 1492 A | 28 | 57 | -29 |
| Rasmussen Reports | 6/4 - 6/8 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 6/4 - 6/6 | 1288 RV | 32 | 56 | -24 |
| Reuters/Ipsos | 6/2 - 6/6 | 2371 A | 27 | 58 | -31 |
| IBD/TIPP | 5/30 - 6/6 | 903 A | 43 | 55 | -12 |
| Rasmussen Reports | 5/28 - 6/1 | 2500 LV | 33 | 61 | -28 |
| Economist/YouGov | 5/27 - 5/30 | 1269 RV | 31 | 57 | -26 |
| Reuters/Ipsos | 5/26 - 5/30 | 2081 A | 28 | 57 | -29 |
| Rasmussen Reports | 5/21 - 5/25 | 2500 LV | 37 | 56 | -19 |
| Economist/YouGov | 5/20 - 5/23 | 1276 RV | 30 | 57 | -27 |
| Reuters/Ipsos | 5/19 - 5/23 | 2000 A | 25 | 59 | -34 |
| Rasmussen Reports | 5/14 - 5/18 | 2500 LV | 34 | 60 | -26 |
| Monmouth | 5/13 - 5/17 | 896 RV | 31 | 62 | -31 |
| Economist/YouGov | 5/13 - 5/16 | 1298 RV | 30 | 59 | -29 |
| Reuters/Ipsos | 5/12 - 5/16 | 1868 A | 28 | 57 | -29 |
| Rasmussen Reports | 5/7 - 5/11 | 2500 LV | 37 | 57 | -20 |
| Economist/YouGov | 5/6 - 5/9 | 1287 RV | 35 | 54 | -19 |
| Reuters/Ipsos | 5/5 - 5/9 | 1830 A | 30 | 55 | -25 |
| Rasmussen Reports | 4/30 - 5/4 | 2500 LV | 39 | 54 | -15 |
| Economist/YouGov | 4/29 - 5/2 | 1255 RV | 36 | 51 | -15 |
| IBD/TIPP | 4/28 - 5/4 | 904 A | 43 | 56 | -13 |
| Reuters/Ipsos | 4/28 - 5/2 | 2214 A | 33 | 54 | -21 |
| Rasmussen Reports | 4/23 - 4/27 | 2500 LV | 38 | 55 | -17 |
| Economist/YouGov | 4/23 - 4/25 | 1295 RV | 33 | 53 | -20 |
| Reuters/Ipsos | 4/21 - 4/25 | 2165 A | 29 | 55 | -26 |
| CBS News | 4/21 - 4/24 | 1214 A | 36 | 59 | -23 |
| NBC News/Wall St. Jrnl | 4/17 - 4/20 | 900 A | 34 | 59 | -25 |
| Rasmussen Reports | 4/16 - 4/20 | 2500 LV | 42 | 52 | -10 |
| Economist/YouGov | 4/15 - 4/18 | 1291 RV | 35 | 53 | -18 |
| Reuters/Ipsos | 4/13 - 4/17 | 1843 A | 30 | 55 | -25 |
| Marist | 4/11 - 4/12 | 869 RV | 34 | 57 | -23 |
| Economist/YouGov | 4/10 - 4/11 | 1330 RV | 36 | 53 | -17 |
| Rasmussen Reports | 4/9 - 4/13 | 2500 LV | 41 | 53 | -12 |
| Rasmussen Reports | 4/2 - 4/6 | 2500 LV | 36 | 57 | -21 |
| Economist/YouGov | 4/2 - 4/4 | 1331 RV | 32 | 54 | -22 |
| Reuters/Ipsos | 3/31 - 4/4 | 2149 A | 34 | 52 | -18 |
| Rasmussen Reports | 3/26 - 3/30 | 2500 LV | 35 | 59 | -24 |
| Economist/YouGov | 3/26 - 3/28 | 1271 RV | 33 | 54 | -21 |
| IBD/TIPP | 3/24 - 3/30 | 904 A | 39 | 59 | -20 |
| Reuters/Ipsos | 3/24 - 3/28 | 1646 A | 32 | 53 | -21 |
| McClatchy/Marist | 3/22 - 3/27 | 906 RV | 34 | 59 | -25 |
| Rasmussen Reports | 3/19 - 3/23 | 2500 LV | 38 | 56 | -18 |
| Economist/YouGov | 3/19 - 3/21 | 1296 RV | 34 | 53 | -19 |
| Reuters/Ipsos | 3/17 - 3/21 | 1606 A | 33 | 54 | -21 |
| Economist/YouGov | 3/13 - 3/14 | 1320 RV | 35 | 51 | -16 |
| Rasmussen Reports | 3/12 - 3/16 | 2500 LV | 40 | 54 | -14 |
| Reuters/Ipsos | 3/10 - 3/14 | 1750 A | 32 | 51 | -19 |
| Economist/YouGov | 3/6 - 3/7 | 1359 RV | 33 | 53 | -20 |
| Rasmussen Reports | 3/5 - 3/9 | 2500 LV | 42 | 53 | -11 |
| Reuters/Ipsos | 3/3 - 3/7 | 1662 A | 34 | 49 | -15 |
| Monmouth | 3/2 - 3/5 | 722 RV | 36 | 56 | -20 |
| USA Today/Suffolk | 3/1 - 3/5 | 1000 RV | 46 | 43 | +3 |
| Rasmussen Reports | 2/26 - 3/2 | 2500 LV | 45 | 49 | -4 |
| Economist/YouGov | 2/25 - 3/1 | 1251 RV | 36 | 53 | -17 |
| IBD/TIPP | 2/24 - 3/4 | 909 A | 44 | 54 | -10 |
| Reuters/Ipsos | 2/24 - 2/28 | 1847 A | 35 | 51 | -16 |
| Rasmussen Reports | 2/19 - 2/23 | 2500 LV | 45 | 51 | -6 |
| NBC News/Wall St. Jrnl | 2/18 - 2/22 | 1000 A | 40 | 51 | -11 |
| Economist/YouGov | 2/18 - 2/20 | 1198 RV | 34 | 53 | -19 |
| CBS News | 2/17 - 2/21 | 1280 A | 35 | 60 | -25 |
| Reuters/Ipsos | 2/17 - 2/21 | 2338 A | 31 | 54 | -23 |
| McClatchy/Marist | 2/15 - 2/19 | 865 RV | 39 | 55 | -16 |
| Rasmussen Reports | 2/12 - 2/16 | 2500 LV | 46 | 48 | -2 |
| Economist/YouGov | 2/12 - 2/14 | 1100 RV | 31 | 52 | -21 |
| Reuters/Ipsos | 2/10 - 2/14 | 1774 A | 31 | 52 | -21 |
| Rasmussen Reports | 2/5 - 2/9 | 2500 LV | 45 | 50 | -5 |
| Economist/YouGov | 2/5 - 2/7 | 1315 RV | 31 | 55 | -24 |
| Reuters/Ipsos | 2/3 - 2/7 | 1896 A | 32 | 54 | -22 |
| Rasmussen Reports | 1/29 - 2/2 | 2500 LV | 46 | 49 | -3 |
| Economist/YouGov | 1/28 - 1/31 | 1278 RV | 35 | 52 | -17 |
| IBD/TIPP | 1/27 - 2/2 | 885 A | 50 | 48 | +2 |
| Reuters/Ipsos | 1/27 - 1/31 | 3151 A | 30 | 52 | -22 |
| Economist/YouGov | 1/23 - 1/25 | 2312 RV | 29 | 55 | -26 |
| Rasmussen Reports | 1/22 - 1/26 | 3000 LV | 47 | 47 | Tie |
| Reuters/Ipsos | 1/20 - 1/24 | 1633 A | 22 | 59 | -37 |
| Rasmussen Reports | 1/15 - 1/19 | 2500 LV | 38 | 54 | -16 |
| Economist/YouGov | 1/14 - 1/17 | 1078 RV | 23 | 61 | -38 |
| Reuters/Ipsos | 1/13 - 1/17 | 2070 A | 25 | 59 | -34 |
| CBS News | 1/13 - 1/16 | 1257 A | 29 | 61 | -32 |
| Monmouth | 1/12 - 1/15 | 708 RV | 27 | 67 | -40 |
| NBC News/Wall St. Jrnl | 1/12 - 1/15 | 1000 A | 37 | 52 | -15 |
| ABC News/Wash Post | 1/12 - 1/15 | 1005 A | 29 | 63 | -34 |
| Rasmussen Reports | 1/8 - 1/12 | 2500 LV | 35 | 55 | -20 |
| Economist/YouGov | 1/7 - 1/10 | 1069 RV | 25 | 60 | -35 |
| Reuters/Ipsos | 1/6 - 1/10 | 1787 A | 24 | 61 | -37 |
| IBD/TIPP | 1/3 - 1/9 | 904 A | 42 | 55 | -13 |
| Rasmussen Reports | 1/2 - 1/5 | 2500 LV | 31 | 59 | -28 |
| Economist/YouGov | 12/31 - 1/3 | 1234 RV | 26 | 60 | -34 |
| Reuters/Ipsos | 12/30 - 1/3 | 1961 A | 26 | 58 | -32 |
| Rasmussen Reports | 12/26 - 12/29 | 1500 LV | 33 | 57 | -24 |
| Economist/YouGov | 12/24 - 12/27 | 1196 RV | 25 | 62 | -37 |
| Rasmussen Reports | 12/18 - 12/22 | 1500 LV | 33 | 56 | -23 |
| Economist/YouGov | 12/17 - 12/20 | 998 RV | 24 | 61 | -37 |
| Reuters/Ipsos | 12/16 - 12/20 | 2065 A | 26 | 59 | -33 |
| USA Today/Suffolk | 12/14 - 12/18 | 1000 RV | 37 | 46 | -9 |
| NBC News/Wall St. Jrnl | 12/12 - 12/15 | 1000 A | 33 | 54 | -21 |
| Rasmussen Reports | 12/11 - 12/15 | 1500 LV | 33 | 56 | -23 |
| Economist/YouGov | 12/10 - 12/13 | 1051 RV | 27 | 59 | -32 |
| CBS News | 12/9 - 12/13 | 1259 A | 29 | 63 | -34 |
| Reuters/Ipsos | 12/9 - 12/13 | 1208 A | 27 | 55 | -28 |
| Rasmussen Reports | 12/4 - 12/8 | 1500 LV | 35 | 55 | -20 |
| Economist/YouGov | 12/3 - 12/5 | 977 RV | 26 | 61 | -35 |
| Reuters/Ipsos | 12/2 - 12/6 | 1716 A | 25 | 58 | -33 |
| Bloomberg | 12/2 - 12/5 | 999 A | 37 | 49 | -12 |
| McClatchy/Marist | 12/1 - 12/9 | 873 RV | 31 | 64 | -33 |
| IBD/TIPP | 11/28 - 12/4 | 902 A | 38 | 59 | -21 |
| GWU/Battleground | 11/28 - 12/1 | 1000 RV | 28 | 58 | -30 |
| Economist/YouGov | 11/28 - 11/29 | 1079 RV | 25 | 61 | -36 |
| Rasmussen Reports | 11/27 - 12/1 | 1500 LV | 31 | 59 | -28 |
| Reuters/Ipsos | 11/25 - 11/29 | 1704 A | 21 | 60 | -39 |
| Rasmussen Reports | 11/20 - 11/22 | 1500 LV | 30 | 58 | -28 |
| Economist/YouGov | 11/19 - 11/22 | 1002 RV | 24 | 60 | -36 |
| Reuters/Ipsos | 11/18 - 11/22 | 1645 A | 21 | 62 | -41 |
| The Atlantic | 11/16 - 11/21 | 1000 A | 36 | 50 | -14 |
| Rasmussen Reports | 11/13 - 11/17 | 2500 LV | 33 | 58 | -25 |
| Economist/YouGov | 11/12 - 11/15 | 1345 RV | 22 | 67 | -45 |
| Reuters/Ipsos | 11/11 - 11/15 | 1761 A | 21 | 63 | -42 |
| Rasmussen Reports | 11/6 - 11/10 | 2500 LV | 32 | 60 | -28 |
| Economist/YouGov | 11/4 - 11/7 | 3677 LV | 30 | 62 | -32 |
| NBC News/Wall St. Jrnl | 11/3 - 11/5 | 1282 LV | 31 | 62 | -31 |
| McClatchy/Marist | 11/1 - 11/3 | 940 LV | 33 | 60 | -27 |
| Rasmussen Reports | 10/30 - 11/3 | 2500 LV | 30 | 63 | -33 |
| Economist/YouGov | 10/30 - 11/1 | 1233 LV | 30 | 63 | -33 |
| Reuters/Ipsos | 10/29 - 11/2 | 2708 A | 25 | 64 | -39 |
| CBS News/NY Times | 10/28 - 11/1 | 1561 A | 35 | 61 | -26 |
| Rasmussen Reports | 10/23 - 10/27 | 2500 LV | 31 | 63 | -32 |
| Economist/YouGov | 10/22 - 10/26 | 1209 LV | 31 | 63 | -32 |
| Associated Press-GfK | 10/20 - 10/24 | 1212 LV | 32 | 67 | -35 |
| Reuters/Ipsos | 10/20 - 10/24 | 1777 A | 21 | 66 | -45 |
| USA Today/Suffolk | 10/20 - 10/24 | 1000 LV | 35 | 54 | -19 |
| Rasmussen Reports | 10/16 - 10/20 | 2500 LV | 31 | 63 | -32 |
| Economist/YouGov | 10/15 - 10/18 | 925 RV | 31 | 62 | -31 |
| Bloomberg | 10/14 - 10/17 | 1006 LV | 30 | 64 | -34 |
| Reuters/Ipsos | 10/13 - 10/17 | 1750 A | 22 | 66 | -44 |
| NBC News/Wall St. Jrnl | 10/10 - 10/13 | 1000 RV | 29 | 65 | -36 |
| Rasmussen Reports | 10/9 - 10/13 | 2500 LV | 29 | 66 | -37 |
| GWU/Battleground | 10/8 - 10/13 | 1000 LV | 31 | 63 | -32 |
| Economist/YouGov | 10/7 - 10/8 | 971 RV | 30 | 62 | -32 |
| CBS News | 10/6 - 10/11 | 1331 A | 26 | 67 | -41 |
| Reuters/Ipsos | 10/6 - 10/10 | 3567 A | 25 | 65 | -40 |
| Rasmussen Reports | 10/2 - 10/6 | 2500 LV | 30 | 65 | -35 |
| Economist/YouGov | 10/1 - 10/3 | 911 RV | 30 | 63 | -33 |
| Reuters/Ipsos | 9/29 - 10/3 | 1928 A | 25 | 64 | -39 |
| CBS News | 9/28 - 10/2 | 1501 A | 35 | 60 | -25 |
| Rasmussen Reports | 9/25 - 9/29 | 2500 LV | 29 | 65 | -36 |
| Reuters/Ipsos | 9/22 - 9/26 | 1705 LV | 22 | 65 | -43 |
| Economist/YouGov | 9/22 - 9/24 | 948 RV | 27 | 65 | -38 |
| Bloomberg | 9/21 - 9/24 | 1002 LV | 28 | 66 | -38 |
| Rasmussen Reports | 9/18 - 9/22 | 2500 LV | 28 | 67 | -39 |
| Economist/YouGov | 9/18 - 9/19 | 936 RV | 30 | 63 | -33 |
| NBC News/Wall St. Jrnl | 9/16 - 9/19 | 1000 RV | 30 | 62 | -32 |
| McClatchy/Marist | 9/15 - 9/20 | 758 LV | 35 | 59 | -24 |
| Reuters/Ipsos | 9/15 - 9/19 | 1749 A | 21 | 67 | -46 |
| Associated Press-GfK | 9/15 - 9/16 | 1251 LV | 30 | 70 | -40 |
| Rasmussen Reports | 9/11 - 9/15 | 2500 LV | 31 | 63 | -32 |
| Economist/YouGov | 9/10 - 9/13 | 926 RV | 24 | 67 | -43 |
| Reuters/Ipsos | 9/8 - 9/12 | 1752 A | 22 | 65 | -43 |
| Rasmussen Reports | 9/4 - 9/8 | 2500 LV | 30 | 63 | -33 |
| Economist/YouGov | 9/4 - 9/6 | 955 RV | 28 | 62 | -34 |
| Reuters/Ipsos | 9/1 - 9/5 | 1760 A | 22 | 64 | -42 |
| Rasmussen Reports | 8/28 - 9/1 | 2500 LV | 28 | 65 | -37 |
| GWU/Battleground | 8/28 - 9/1 | 1000 LV | 27 | 66 | -39 |
| Economist/YouGov | 8/27 - 8/29 | 942 RV | 27 | 65 | -38 |
| Reuters/Ipsos | 8/25 - 8/29 | 1946 A | 24 | 63 | -39 |
| USA Today/Suffolk | 8/24 - 8/29 | 1000 LV | 28 | 59 | -31 |
| Rasmussen Reports | 8/21 - 8/25 | 2500 LV | 31 | 62 | -31 |
| Reuters/Ipsos | 8/20 - 8/24 | 1516 A | 21 | 66 | -45 |
| Economist/YouGov | 8/19 - 8/23 | 906 RV | 28 | 65 | -37 |
| Rasmussen Reports | 8/14 - 8/18 | 2500 LV | 29 | 64 | -35 |
| Economist/YouGov | 8/14 - 8/16 | 916 RV | 27 | 64 | -37 |
| Reuters/Ipsos | 8/13 - 8/17 | 1607 A | 21 | 67 | -46 |
| Rasmussen Reports | 8/7 - 8/11 | 2500 LV | 33 | 62 | -29 |
| Reuters/Ipsos | 8/6 - 8/10 | 1459 A | 24 | 62 | -38 |
| Economist/YouGov | 8/6 - 8/9 | 911 RV | 28 | 66 | -38 |
| Bloomberg | 8/5 - 8/8 | 1007 A | 25 | 68 | -43 |
| Monmouth | 8/4 - 8/7 | 683 LV | 32 | 64 | -32 |
| McClatchy/Marist | 8/1 - 8/3 | 983 RV | 34 | 59 | -25 |
| Rasmussen Reports | 7/31 - 8/4 | 2500 LV | 31 | 63 | -32 |
| NBC News/Wall St. Jrnl | 7/31 - 8/3 | 800 RV | 32 | 62 | -30 |
| Reuters/Ipsos | 7/30 - 8/3 | 1631 A | 23 | 64 | -41 |
| Economist/YouGov | 7/30 - 8/1 | 933 RV | 27 | 64 | -37 |
| Reuters/Ipsos | 7/25 - 7/29 | 2157 A | 18 | 68 | -50 |
| Rasmussen Reports | 7/24 - 7/28 | 2500 LV | 29 | 66 | -37 |
| Economist/YouGov | 7/23 - 7/24 | 1057 RV | 25 | 67 | -42 |
| Rasmussen Reports | 7/17 - 7/21 | 2500 LV | 24 | 70 | -46 |
| Reuters/Ipsos | 7/16 - 7/20 | 1522 A | 19 | 67 | -48 |
| Economist/YouGov | 7/15 - 7/17 | 925 RV | 22 | 69 | -47 |
| ABC News/Wash Post | 7/11 - 7/14 | 816 RV | 26 | 71 | -45 |
| Rasmussen Reports | 7/10 - 7/14 | 2500 LV | 21 | 72 | -51 |
| NBC News/Wall St. Jrnl | 7/9 - 7/13 | 1000 RV | 18 | 73 | -55 |
| Economist/YouGov | 7/9 - 7/11 | 932 RV | 24 | 70 | -46 |
| CBS News/NY Times | 7/8 - 7/12 | 1600 A | 26 | 69 | -43 |
| Associated Press-GfK | 7/7 - 7/11 | 1009 A | 19 | 79 | -60 |
| McClatchy/Marist | 7/5 - 7/9 | 1249 A | 25 | 68 | -43 |
| Rasmussen Reports | 7/3 - 7/7 | 2500 LV | 26 | 68 | -42 |
| Reuters/Ipsos | 7/2 - 7/6 | 1543 A | 24 | 64 | -40 |
| Economist/YouGov | 7/2 - 7/4 | 918 RV | 27 | 65 | -38 |
| Rasmussen Reports | 6/26 - 6/30 | 2500 LV | 29 | 65 | -36 |
| USA Today/Suffolk | 6/26 - 6/29 | 1000 LV | 27 | 60 | -33 |
| Reuters/Ipsos | 6/25 - 6/29 | 1543 A | 20 | 65 | -45 |
| Economist/YouGov | 6/24 - 6/27 | 919 RV | 23 | 69 | -46 |
| National Journal | 6/19 - 6/24 | 1000 A | 22 | 66 | -44 |
| Rasmussen Reports | 6/19 - 6/23 | 2500 LV | 29 | 66 | -37 |
| NBC News/Wall St. Jrnl | 6/19 - 6/23 | 1000 RV | 21 | 71 | -50 |
| Reuters/Ipsos | 6/18 - 6/20 | 1585 A | 24 | 64 | -40 |
| Economist/YouGov | 6/18 - 6/20 | 911 RV | 28 | 63 | -35 |
| Rasmussen Reports | 6/12 - 6/16 | 2500 LV | 26 | 67 | -41 |
| Reuters/Ipsos | 6/11 - 6/15 | 1602 A | 21 | 65 | -44 |
| Bloomberg | 6/10 - 6/13 | 1000 A | 23 | 68 | -45 |
| CBS News | 6/9 - 6/13 | 1280 A | 33 | 63 | -30 |
| Rasmussen Reports | 6/5 - 6/9 | 2500 LV | 27 | 67 | -40 |
| Reuters/Ipsos | 6/4 - 6/8 | 1716 A | 25 | 63 | -38 |
| Economist/YouGov | 6/2 - 6/5 | 1396 RV | 25 | 67 | -42 |
| Rasmussen Reports | 5/29 - 6/2 | 2500 LV | 27 | 66 | -39 |
| Reuters/Ipsos | 5/28 - 6/1 | 1615 A | 24 | 64 | -40 |
| Rasmussen Reports | 5/22 - 5/26 | 2500 LV | 28 | 66 | -38 |
| Reuters/Ipsos | 5/21 - 5/25 | 1576 A | 26 | 60 | -34 |
| The Economist/YouGov | 5/20 - 5/23 | 1393 RV | 26 | 67 | -41 |
| Rasmussen Reports | 5/15 - 5/19 | 2500 LV | 27 | 66 | -39 |
| Reuters/Ipsos | 5/14 - 5/17 | 1677 A | 24 | 62 | -38 |
| CBS News/NY Times | 5/13 - 5/17 | 1300 A | 30 | 63 | -33 |
| Rasmussen Reports | 5/8 - 5/12 | 2500 LV | 27 | 68 | -41 |
| Reuters/Ipsos | 5/7 - 5/11 | 1611 A | 21 | 68 | -47 |
| The Economist/YouGov | 5/6 - 5/9 | 1389 RV | 23 | 68 | -45 |
| Rasmussen Reports | 5/1 - 5/5 | 2500 LV | 27 | 67 | -40 |
| Reuters/Ipsos | 4/30 - 5/4 | 1277 A | 26 | 60 | -34 |
| Rasmussen Reports | 4/24 - 4/29 | 2500 LV | 29 | 65 | -36 |
| Reuters/Ipsos | 4/23 - 4/27 | 2116 A | 23 | 65 | -42 |
| The Economist/YouGov | 4/22 - 4/26 | 1375 RV | 25 | 66 | -41 |
| USA Today/Suffolk | 4/20 - 4/24 | 1000 LV | 28 | 61 | -33 |
| Rasmussen Reports | 4/17 - 4/22 | 2500 LV | 26 | 67 | -41 |
| GWU/Battleground | 4/17 - 4/20 | 1000 LV | 26 | 66 | -40 |
| Reuters/Ipsos | 4/16 - 4/20 | 1598 A | 25 | 61 | -36 |
| NBC News/Wall St. Jrnl | 4/10 - 4/14 | 1000 RV | 24 | 70 | -46 |
| Rasmussen Reports | 4/10 - 4/14 | 2500 LV | 24 | 69 | -45 |
| Reuters/Ipsos | 4/9 - 4/13 | 1680 A | 25 | 63 | -38 |
| CBS News | 4/8 - 4/12 | 1320 A | 30 | 66 | -36 |
| The Economist/YouGov | 4/8 - 4/11 | 1392 RV | 26 | 65 | -39 |
| Rasmussen Reports | 4/3 - 4/7 | 2500 LV | 27 | 67 | -40 |
| Reuters/Ipsos | 4/2 - 4/6 | 1526 A | 25 | 63 | -38 |
| Associated Press-GfK | 3/31 - 4/4 | 1076 A | 29 | 71 | -42 |
| McClatchy/Marist | 3/29 - 3/31 | 1066 RV | 26 | 71 | -45 |
| Reuters/Ipsos | 3/27 - 3/31 | 1858 A | 24 | 63 | -39 |
| Rasmussen Reports | 3/27 - 3/31 | 2500 LV | 26 | 67 | -41 |
| The Economist/YouGov | 3/26 - 3/29 | 1384 RV | 25 | 64 | -39 |
| Rasmussen Reports | 3/20 - 3/24 | 2500 LV | 28 | 66 | -38 |
| Reuters/Ipsos | 3/19 - 3/23 | 1565 A | 23 | 64 | -41 |
| Bloomberg | 3/19 - 3/22 | 1001 A | 27 | 65 | -38 |
| CBS News/NY Times | 3/17 - 3/20 | 1252 A | 32 | 61 | -29 |
| Rasmussen Reports | 3/13 - 3/17 | 2500 LV | 26 | 67 | -41 |
| Reuters/Ipsos | 3/12 - 3/16 | 1684 A | 21 | 65 | -44 |
| The Economist/YouGov | 3/10 - 3/12 | 1324 RV | 25 | 65 | -40 |
| Rasmussen Reports | 3/6 - 3/10 | 2500 LV | 27 | 67 | -40 |
| Reuters/Ipsos | 3/5 - 3/9 | 1867 A | 25 | 63 | -38 |
| Rasmussen Reports | 2/28 - 3/3 | 2500 LV | 28 | 65 | -37 |
| Reuters/Ipsos | 2/27 - 3/2 | 1587 A | 26 | 62 | -36 |
| The Economist/YouGov | 2/24 - 2/27 | 1253 RV | 26 | 68 | -42 |
| Rasmussen Reports | 2/21 - 2/25 | 2500 LV | 29 | 63 | -34 |
| Reuters/Ipsos | 2/20 - 2/24 | 1497 A | 25 | 61 | -36 |
| Rasmussen Reports | 2/14 - 2/18 | 2500 LV | 30 | 63 | -33 |
| Reuters/Ipsos | 2/13 - 2/17 | 1473 A | 25 | 63 | -38 |
| CBS News | 2/12 - 2/16 | 2007 A | 31 | 62 | -31 |
| Associated Press-GfK | 2/11 - 2/15 | 1033 A | 32 | 68 | -36 |
| USA Today/Suffolk | 2/11 - 2/15 | 1000 LV | 27 | 63 | -36 |
| The Economist/YouGov | 2/11 - 2/15 | 1240 RV | 28 | 66 | -38 |
| Rasmussen Reports | 2/7 - 2/12 | 2500 LV | 30 | 64 | -34 |
| Reuters/Ipsos | 2/6 - 2/10 | 1590 A | 23 | 63 | -40 |
| Rasmussen Reports | 1/31 - 2/4 | 2500 LV | 28 | 65 | -37 |
| Reuters/Ipsos | 1/30 - 2/3 | 1685 A | 29 | 60 | -31 |
| The Economist/YouGov | 1/27 - 1/30 | 1260 RV | 27 | 66 | -39 |
| Rasmussen Reports | 1/24 - 1/28 | 2500 LV | 31 | 62 | -31 |
| ABC News/Wash Post | 1/21 - 1/24 | 1001 A | 36 | 60 | -24 |
| Rasmussen Reports | 1/17 - 1/21 | 2500 LV | 32 | 63 | -31 |
| Reuters/Ipsos | 1/16 - 1/20 | 1561 A | 26 | 62 | -36 |
| The Economist/YouGov | 1/15 - 1/19 | 1243 RV | 28 | 65 | -37 |
| Rasmussen Reports | 1/10 - 1/14 | 2500 LV | 30 | 63 | -33 |
| Reuters/Ipsos | 1/9 - 1/13 | 1602 A | 29 | 59 | -30 |
| NBC News/Wall St. Jrnl | 1/9 - 1/13 | 800 RV | 29 | 63 | -34 |
| CBS/NY Times | 1/7 - 1/10 | 1276 A | 27 | 65 | -38 |
| Rasmussen Reports | 1/3 - 1/7 | 2500 LV | 28 | 67 | -39 |
| National Journal | 1/2 - 1/6 | 1000 A | 25 | 62 | -37 |
| Reuters/Ipsos | 1/2 - 1/6 | 1754 A | 27 | 59 | -32 |
| The Economist/YouGov | 1/1 - 1/5 | 1209 RV | 27 | 65 | -38 |
| Rasmussen Reports | 12/27 - 12/30 | 2500 LV | 26 | 67 | -41 |
| Reuters/Ipsos | 12/26 - 12/30 | 2005 A | 26 | 60 | -34 |
| Rasmussen Reports | 12/20 - 12/23 | 2500 LV | 26 | 66 | -40 |
| Reuters/Ipsos | 12/19 - 12/23 | 1593 A | 23 | 60 | -37 |
| The Economist/YouGov | 12/18 - 12/22 | 1214 RV | 26 | 66 | -40 |
| Rasmussen Reports | 12/13 - 12/17 | 2500 LV | 26 | 66 | -40 |
| Reuters/Ipsos | 12/12 - 12/16 | 1978 A | 23 | 62 | -39 |
| Rasmussen Reports | 12/6 - 12/10 | 2500 LV | 24 | 68 | -44 |
| NBC News/Wall St. Jrnl | 12/6 - 12/9 | 1000 A | 20 | 70 | -50 |
| Reuters/Ipsos | 12/5 - 12/9 | 1416 A | 24 | 66 | -42 |
| CBS/NY Times | 12/4 - 12/8 | 1275 A | 24 | 68 | -44 |
| The Economist/YouGov | 12/4 - 12/8 | 1202 RV | 25 | 67 | -42 |
| USA Today/Suffolk | 12/2 - 12/6 | 1000 LV | 22 | 64 | -42 |
| Rasmussen Reports | 11/29 - 12/3 | 2500 LV | 25 | 68 | -43 |
| Reuters/Ipsos | 11/28 - 12/2 | 1072 A | 27 | 58 | -31 |
| Rasmussen Reports | 11/22 - 11/24 | 2500 LV | 28 | 63 | -35 |
| Reuters/Ipsos | 11/21 - 11/25 | 964 A | 24 | 64 | -40 |
| The Economist/YouGov | 11/19 - 11/23 | 1217 RV | 26 | 65 | -39 |
| Rasmussen Reports | 11/15 - 11/19 | 2500 LV | 25 | 67 | -42 |
| Bloomberg | 11/15 - 11/16 | 1002 A | 23 | 69 | -46 |
| Reuters/Ipsos | 11/14 - 11/18 | 3418 A | 24 | 61 | -37 |
| Rasmussen Reports | 11/8 - 11/12 | 2500 LV | 28 | 67 | -39 |
| Reuters/Ipsos | 11/7 - 11/11 | 1586 A | 26 | 59 | -33 |
| CBS News/NYT | 11/6 - 11/10 | 1495 A | 33 | 62 | -29 |
| The Economist/YouGov | 11/5 - 11/9 | 1226 RV | 28 | 65 | -37 |
| Rasmussen Reports | 11/1 - 11/5 | 2500 LV | 27 | 66 | -39 |
| Reuters/Ipsos | 10/31 - 11/4 | 1636 A | 27 | 58 | -31 |
| McClatchy/Marist | 10/29 - 11/4 | 1080 RV | 35 | 60 | -25 |
| NBC News/Wall St. Jrnl | 10/25 - 10/29 | 1000 A | 27 | 64 | -37 |
| Rasmussen Reports | 10/25 - 10/29 | 2500 LV | 27 | 65 | -38 |
| Reuters/Ipsos | 10/24 - 10/28 | 1678 A | 24 | 59 | -35 |
| The Economist/YouGov | 10/23 - 10/27 | 1234 RV | 26 | 66 | -40 |
| CBS/NY Times | 10/21 - 10/25 | 1289 A | 26 | 64 | -38 |
| Rasmussen Reports | 10/18 - 10/23 | 2500 LV | 27 | 65 | -38 |
| Reuters/Ipsos | 10/17 - 10/21 | 2214 A | 23 | 61 | -38 |
| Associated Press-GfK | 10/15 - 10/19 | 1027 A | 36 | 63 | -27 |
| Monmouth | 10/15 - 10/18 | 836 RV | 21 | 68 | -47 |
| NBC News/Wall St. Jrnl | 10/15 - 10/18 | 1000 A | 25 | 64 | -39 |
| Rasmussen Reports | 10/11 - 10/15 | 2500 LV | 24 | 69 | -45 |
| Reuters/Ipsos | 10/10 - 10/14 | 1348 A | 26 | 57 | -31 |
| The Economist/YouGov | 10/8 - 10/12 | 1279 RV | 27 | 65 | -38 |
| Rasmussen Reports | 10/4 - 10/9 | 2500 LV | 24 | 69 | -45 |
| CBS News | 10/4 - 10/8 | 1251 A | 30 | 63 | -33 |
| Reuters/Ipsos | 10/3 - 10/7 | 1630 A | 22 | 63 | -41 |
| Rasmussen Reports | 9/27 - 10/1 | 2500 LV | 26 | 67 | -41 |
| Reuters/Ipsos | 9/26 - 9/30 | 1304 A | 27 | 56 | -29 |
| The Economist/YouGov | 9/25 - 9/29 | 1364 RV | 29 | 63 | -34 |
| USA Today/Suffolk | 9/24 - 9/28 | 1000 LV | 27 | 60 | -33 |
| NBC News/Wall St. Jrnl | 9/20 - 9/24 | 1000 A | 30 | 62 | -32 |
| Rasmussen Reports | 9/20 - 9/24 | 2500 LV | 26 | 67 | -41 |
| Reuters/Ipsos | 9/19 - 9/23 | 1582 A | 25 | 59 | -34 |
| Bloomberg | 9/18 - 9/21 | 1001 A | 24 | 66 | -42 |
| Rasmussen Reports | 9/13 - 9/17 | 2500 LV | 25 | 69 | -44 |
| Reuters/Ipsos | 9/12 - 9/16 | 1570 A | 28 | 57 | -29 |
| The Economist/YouGov | 9/11 - 9/15 | 1345 RV | 29 | 61 | -32 |
| National Journal | 9/10 - 9/15 | 1000 A | 23 | 62 | -39 |
| Rasmussen Reports | 9/6 - 9/10 | 2500 LV | 29 | 63 | -34 |
| Reuters/Ipsos | 9/5 - 9/9 | 1457 A | 25 | 59 | -34 |
| Rasmussen Reports | 8/30 - 9/3 | 2500 LV | 27 | 66 | -39 |
| Reuters/Ipsos | 8/29 - 9/2 | 1598 A | 27 | 56 | -29 |
| The Economist/YouGov | 8/28 - 9/1 | 1343 RV | 28 | 64 | -36 |
| Rasmussen Reports | 8/23 - 8/27 | 2500 LV | 26 | 68 | -42 |
| Reuters/Ipsos | 8/22 - 8/26 | 1152 A | 23 | 60 | -37 |
| Rasmussen Reports | 8/16 - 8/20 | 2500 LV | 27 | 66 | -39 |
| Reuters/Ipsos | 8/15 - 8/19 | 851 A | 26 | 59 | -33 |
| The Economist/YouGov | 8/15 - 8/17 | 1340 RV | 31 | 61 | -30 |
| Rasmussen Reports | 8/9 - 8/13 | 2500 LV | 28 | 64 | -36 |
| Reuters/Ipsos | 8/8 - 8/12 | 1280 A | 27 | 58 | -31 |
| Rasmussen Reports | 8/2 - 8/6 | 2500 LV | 29 | 64 | -35 |
| Reuters/Ipsos | 8/1 - 8/5 | 993 A | 29 | 56 | -27 |
| NBC News/Wall St. Jrnl | 7/26 - 7/30 | 1000 A | 28 | 65 | -37 |
| Rasmussen Reports | 7/26 - 7/30 | 2500 LV | 28 | 66 | -38 |
| Reuters/Ipsos | 7/25 - 7/29 | 1046 A | 28 | 59 | -31 |
| McClatchy/Marist | 7/22 - 7/28 | 964 RV | 33 | 61 | -28 |
| Rasmussen Reports | 7/19 - 7/23 | 2500 LV | 29 | 64 | -35 |
| Reuters/Ipsos | 7/18 - 7/22 | 1046 A | 26 | 59 | -33 |
| The Economist/YouGov | 7/18 - 7/20 | 681 RV | 28 | 61 | -33 |
| ABC News/Wash Post | 7/16 - 7/20 | 815 RV | 31 | 65 | -34 |
| Rasmussen Reports | 7/12 - 7/16 | 2500 LV | 32 | 63 | -31 |
| Reuters/Ipsos | 7/11 - 7/15 | 922 A | 28 | 59 | -31 |
| Associated Press-GfK | 7/9 - 7/13 | 1004 A | 35 | 63 | -28 |
| USA Today/Suffolk | 7/9 - 7/12 | 1000 LV | 26 | 58 | -32 |
| Rasmussen Reports | 7/5 - 7/9 | 2500 LV | 31 | 63 | -32 |
| Reuters/Ipsos | 7/4 - 7/8 | 1319 A | 31 | 56 | -25 |
| The Economist/YouGov | 7/4 - 7/6 | 663 RV | 28 | 62 | -34 |
| Rasmussen Reports | 6/28 - 7/2 | 2500 LV | 34 | 61 | -27 |
| Reuters/Ipsos | 6/27 - 7/1 | 1404 A | 31 | 53 | -22 |
| The Economist/YouGov | 6/27 - 6/29 | 690 RV | 32 | 61 | -29 |
| USA Today/Suffolk | 6/25 - 6/29 | 1000 A | 26 | 58 | -32 |
| Rasmussen Reports | 6/21 - 6/25 | 2500 LV | 26 | 67 | -41 |
| Reuters/Ipsos | 6/20 - 6/24 | 2501 A | 28 | 57 | -29 |
| The Economist/YouGov | 6/20 - 6/22 | 696 RV | 25 | 64 | -39 |
| NBC News/Wall St. Jrnl | 6/14 - 6/18 | 1000 A | 31 | 61 | -30 |
| Rasmussen Reports | 6/14 - 6/18 | 2500 LV | 28 | 65 | -37 |
| The Economist/YouGov | 6/13 - 6/15 | 693 RV | 27 | 65 | -38 |
| Rasmussen Reports | 6/7 - 6/11 | 2500 LV | 27 | 65 | -38 |
| Reuters/Ipsos | 6/6 - 6/10 | 2949 A | 25 | 59 | -34 |
| The Economist/YouGov | 6/6 - 6/8 | 658 RV | 29 | 59 | -30 |
| Rasmussen Reports | 5/31 - 6/4 | 2500 LV | 30 | 63 | -33 |
| Reuters/Ipsos | 5/30 - 6/3 | 1638 A | 27 | 56 | -29 |
| The Economist/YouGov | 5/30 - 6/1 | 681 RV | 29 | 61 | -32 |
| CBS News/NY Times | 5/28 - 5/31 | 1022 A | 33 | 63 | -30 |
| Rasmussen Reports | 5/24 - 5/28 | 2500 LV | 28 | 65 | -37 |
| Reuters/Ipsos | 5/23 - 5/27 | 1695 A | 26 | 59 | -33 |
| The Economist/YouGov | 5/23 - 5/25 | 676 RV | 29 | 60 | -31 |
| Rasmussen Reports | 5/17 - 5/21 | 2500 LV | 27 | 65 | -38 |
| The Economist/YouGov | 5/16 - 5/18 | 690 RV | 28 | 63 | -35 |
| Rasmussen Reports | 5/10 - 5/14 | 2500 LV | 29 | 64 | -35 |
| The Economist/YouGov | 5/9 - 5/11 | 685 RV | 30 | 58 | -28 |
| Rasmussen Reports | 5/3 - 5/7 | 2500 LV | 28 | 63 | -35 |
| GWU/Battleground | 5/3 - 5/6 | 1000 RV | 26 | 65 | -39 |
| Reuters/Ipsos | 5/2 - 5/6 | 1678 A | 30 | 56 | -26 |
| The Economist/YouGov | 5/2 - 5/4 | 695 RV | 26 | 63 | -37 |
| CBS News/NY Times | 4/30 - 5/3 | 1027 A | 31 | 63 | -32 |
| NBC News/Wall St. Jrnl | 4/26 - 4/30 | 1000 A | 28 | 62 | -34 |
| Rasmussen Reports | 4/26 - 4/30 | 2500 LV | 27 | 65 | -38 |
| Reuters/Ipsos | 4/25 - 4/29 | 1758 A | 28 | 56 | -28 |
| The Economist/YouGov | 4/25 - 4/27 | 689 RV | 28 | 60 | -32 |
| Associated Press/GfK | 4/23 - 4/27 | 1077 A | 38 | 62 | -24 |
| Rasmussen Reports | 4/19 - 4/23 | 2500 LV | 26 | 67 | -41 |
| Reuters/Ipsos | 4/18 - 4/22 | 1556 A | 29 | 57 | -28 |
| The Economist/YouGov | 4/18 - 4/20 | 693 RV | 27 | 63 | -36 |
| Rasmussen Reports | 4/12 - 4/16 | 2500 LV | 32 | 62 | -30 |
| The Economist/YouGov | 4/11 - 4/13 | 689 RV | 30 | 58 | -28 |
| USA Today/Suffolk | 4/8 - 4/13 | 1000 A | 25 | 60 | -35 |
| Bloomberg | 4/6 - 4/8 | 1008 A | 31 | 61 | -30 |
| Rasmussen Reports | 4/5 - 4/9 | 2500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 4/4 - 4/6 | 699 RV | 32 | 60 | -28 |
| Rasmussen Reports | 3/29 - 4/2 | 2500 LV | 29 | 63 | -34 |
| Reuters/Ipsos | 3/28 - 4/1 | 1843 A | 27 | 57 | -30 |
| The Economist/YouGov | 3/28 - 3/30 | 687 RV | 25 | 63 | -38 |
| Rasmussen Reports | 3/22 - 3/26 | 2500 LV | 29 | 63 | -34 |
| CBS News | 3/21 - 3/24 | 1023 A | 30 | 62 | -32 |
| The Economist/YouGov | 3/21 - 3/23 | 696 RV | 28 | 61 | -33 |
| Rasmussen Reports | 3/15 - 3/19 | 2500 LV | 27 | 64 | -37 |
| Reuters/Ipsos | 3/14 - 3/18 | 1540 A | 31 | 56 | -25 |
| The Economist/YouGov | 3/14 - 3/16 | 695 RV | 29 | 59 | -30 |
| Rasmussen Reports | 3/8 - 3/12 | 2500 LV | 32 | 61 | -29 |
| NBC News/Wall St. Jrnl | 3/1 - 3/5 | 1000 A | 32 | 60 | -28 |
| Rasmussen Reports | 3/1 - 3/5 | 2500 LV | 29 | 64 | -35 |
| McClatchy/Marist | 3/1 - 3/4 | 1036 RV | 33 | 63 | -30 |
| Reuters/Ipsos | 2/28 - 3/4 | 2611 A | 26 | 57 | -31 |
| The Economist/YouGov | 2/28 - 3/2 | 696 RV | 29 | 60 | -31 |
| NBC News/Wall St. Jrnl | 2/25 - 2/28 | 800 RV | 34 | 61 | -27 |
| Rasmussen Reports | 2/23 - 3/1 | 2800 LV | 30 | 62 | -32 |
| Reuters/Ipsos | 2/21 - 2/25 | 1599 A | 27 | 59 | -32 |
| The Economist/YouGov | 2/21 - 2/23 | 694 RV | 27 | 60 | -33 |
| National Journal | 2/18 - 2/22 | 1000 A | 33 | 54 | -21 |
| Rasmussen Reports | 2/16 - 2/22 | 2800 LV | 31 | 61 | -30 |
| The Economist/YouGov | 2/14 - 2/16 | 687 RV | 29 | 60 | -31 |
| CBS News | 2/13 - 2/17 | 1006 A | 37 | 56 | -19 |
| Rasmussen Reports | 2/9 - 2/15 | 2800 LV | 32 | 60 | -28 |
| Reuters/Ipsos | 2/7 - 2/11 | 1413 A | 30 | 55 | -25 |
| The Economist/YouGov | 2/7 - 2/9 | 663 RV | 28 | 61 | -33 |
| Rasmussen Reports | 2/2 - 2/8 | 2800 LV | 34 | 58 | -24 |
| Reuters/Ipsos | 1/31 - 2/4 | 2210 A | 31 | 54 | -23 |
| The Economist/YouGov | 1/31 - 2/2 | 685 RV | 29 | 59 | -30 |
| Associated Press/GfK | 1/29 - 2/2 | 1045 A | 39 | 60 | -21 |
| Reason-Rupe/PSRAI | 1/29 - 2/2 | 1003 A | 43 | 49 | -6 |
| Rasmussen Reports | 1/26 - 2/1 | 2800 LV | 34 | 58 | -24 |
| Reuters/Ipsos | 1/24 - 1/28 | 1611 A | 33 | 54 | -21 |
| The Economist/YouGov | 1/24 - 1/26 | 685 RV | 32 | 60 | -28 |
| USA Today/Suffolk | 1/21 - 1/24 | 1000 A | 36 | 53 | -17 |
| Rasmussen Reports | 1/19 - 1/25 | 2800 LV | 35 | 57 | -22 |
| Reuters/Ipsos | 1/17 - 1/21 | 1529 A | 28 | 59 | -31 |
| The Economist/YouGov | 1/17 - 1/19 | 693 RV | 29 | 59 | -30 |
| NBC News/Wall St. Jrnl | 1/14 - 1/17 | 800 A | 31 | 59 | -28 |
| Rasmussen Reports | 1/12 - 1/18 | 2800 LV | 30 | 60 | -30 |
| ABC News/Wash Post | 1/12 - 1/15 | 843 RV | 37 | 60 | -23 |
| Reuters/Ipsos | 1/10 - 1/14 | 1714 A | 26 | 56 | -30 |
| CBS News | 1/9 - 1/12 | 1001 A | 38 | 56 | -18 |
| Rasmussen Reports | 1/5 - 1/11 | 2800 LV | 30 | 61 | -31 |
| The Economist/YouGov | 1/3 - 1/5 | 691 RV | 32 | 57 | -25 |
| Rasmussen Reports | 12/29 - 1/4 | 2800 LV | 33 | 58 | -25 |
| The Economist/YouGov | 12/27 - 12/29 | 692 RV | 30 | 56 | -26 |
| Rasmussen Reports | 12/22 - 12/28 | 3500 LV | 30 | 61 | -31 |
| The Economist/YouGov | 12/20 - 12/22 | 701 RV | 27 | 64 | -37 |
| Rasmussen Reports | 12/15 - 12/21 | 3500 LV | 27 | 63 | -36 |
| The Economist/YouGov | 12/13 - 12/15 | 698 RV | 22 | 68 | -46 |
| NBC News/Wall St. Jrnl | 12/10 - 12/14 | 1000 A | 27 | 64 | -37 |
| Rasmussen Reports | 12/8 - 12/14 | 3500 LV | 25 | 67 | -42 |
| GWU/Battleground | 12/7 - 12/11 | 1000 LV | 21 | 69 | -48 |
| The Economist/YouGov | 12/6 - 12/8 | 693 RV | 26 | 63 | -37 |
| Associated Press/GfK | 12/4 - 12/8 | 1010 A | 33 | 66 | -33 |
| New York Times | 12/4 - 12/7 | 1006 A | 26 | 67 | -41 |
| McClatchy/Marist | 12/3 - 12/9 | 923 RV | 29 | 66 | -37 |
| Bloomberg | 12/3 - 12/5 | 1001 A | 24 | 65 | -41 |
| Rasmussen Reports | 12/1 - 12/7 | 3500 LV | 26 | 65 | -39 |
| The Economist/YouGov | 11/29 - 12/1 | 687 RV | 23 | 67 | -44 |
| Rasmussen Reports | 11/24 - 11/30 | 3500 LV | 25 | 67 | -42 |
| The Economist/YouGov | 11/22 - 11/24 | 692 RV | 27 | 63 | -36 |
| Rasmussen Reports | 11/17 - 11/23 | 3500 LV | 26 | 67 | -41 |
| The Economist/YouGov | 11/15 - 11/17 | 685 RV | 26 | 64 | -38 |
| NBC News/Wall St. Jrnl | 11/14 - 11/17 | 1000 A | 25 | 65 | -40 |
| Rasmussen Reports | 11/10 - 11/16 | 3500 LV | 27 | 65 | -38 |
| The Economist/YouGov | 11/8 - 11/10 | 696 RV | 24 | 62 | -38 |
| Rasmussen Reports | 11/3 - 11/9 | 3500 LV | 27 | 65 | -38 |
| The Economist/YouGov | 11/1 - 11/3 | 707 RV | 28 | 59 | -31 |
| NBC News/Wall St. Jrnl | 10/30 - 11/1 | 1200 RV | 27 | 63 | -36 |
| Rasmussen Reports | 10/27 - 11/2 | 3500 LV | 27 | 66 | -39 |
| The Economist/YouGov | 10/25 - 10/27 | 696 RV | 30 | 62 | -32 |
| CBS News | 10/23 - 10/27 | 1269 A | 27 | 66 | -39 |
| ABC News/Wash Post | 10/23 - 10/26 | 758 LV | 26 | 70 | -44 |
| National Journal | 10/22 - 10/26 | 1000 A | 24 | 63 | -39 |
| Rasmussen Reports | 10/20 - 10/26 | 3500 LV | 26 | 66 | -40 |
| The Economist/YouGov | 10/18 - 10/20 | 699 RV | 28 | 62 | -34 |
| Associated Press/GfK | 10/16 - 10/20 | 968 LV | 31 | 69 | -38 |
| CBS News | 10/15 - 10/16 | 1008 A | 26 | 65 | -39 |
| Rasmussen Reports | 10/13 - 10/19 | 3500 LV | 26 | 66 | -40 |
| The Economist/YouGov | 10/11 - 10/13 | 710 RV | 30 | 61 | -31 |
| ABC News/Wash Post | 10/9 - 10/12 | 629 LV | 29 | 68 | -39 |
| NBC News/Wall St. Jrnl | 10/8 - 10/12 | 1000 RV | 25 | 65 | -40 |
| Rasmussen Reports | 10/6 - 10/12 | 3500 LV | 27 | 65 | -38 |
| The Economist/YouGov | 10/4 - 10/6 | 695 RV | 27 | 60 | -33 |
| Reuters/Ipsos | 10/3 - 10/7 | 1651 A | 23 | 58 | -35 |
| CBS News | 10/3 - 10/6 | 1260 A | 29 | 65 | -36 |
| Reason-Rupe/PSRAI | 10/1 - 10/6 | 1004 A | 30 | 58 | -28 |
| Rasmussen Reports | 9/30 - 10/5 | 3500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 9/27 - 9/29 | 697 RV | 27 | 58 | -31 |
| Associated Press/GfK | 9/25 - 9/29 | 958 LV | 32 | 68 | -36 |
| McClatchy/Marist | 9/24 - 9/29 | 884 RV | 35 | 62 | -27 |
| Rasmussen Reports | 9/22 - 9/28 | 3500 LV | 25 | 65 | -40 |
| The Economist/YouGov | 9/20 - 9/22 | 685 RV | 30 | 62 | -32 |
| Rasmussen Reports | 9/15 - 9/21 | 3500 LV | 25 | 65 | -40 |
| The Economist/YouGov | 9/13 - 9/15 | 690 RV | 28 | 60 | -32 |
| CBS News/NY Times | 9/12 - 9/15 | 1009 A | 27 | 66 | -39 |
| Rasmussen Reports | 9/8 - 9/14 | 3500 LV | 28 | 64 | -36 |
| The Economist/YouGov | 9/6 - 9/8 | 715 RV | 24 | 62 | -38 |
| ABC News/Wash Post | 9/4 - 9/7 | RV | 31 | 66 | -35 |
| NBC News/Wall St. Jrnl | 9/3 - 9/7 | 1000 RV | 23 | 67 | -44 |
| Rasmussen Reports | 9/1 - 9/7 | 3500 LV | 26 | 65 | -39 |
| The Economist/YouGov | 8/30 - 9/1 | 729 RV | 25 | 63 | -38 |
| Rasmussen Reports | 8/25 - 8/31 | 3500 LV | 25 | 66 | -41 |
| GWU/Battleground | 8/23 - 8/28 | 1000 LV | 21 | 70 | -49 |
| The Economist/YouGov | 8/23 - 8/25 | 683 RV | 26 | 63 | -37 |
| Rasmussen Reports | 8/18 - 8/24 | 3500 LV | 23 | 69 | -46 |
| The Economist/YouGov | 8/16 - 8/18 | 709 RV | 30 | 60 | -30 |
| Rasmussen Reports | 8/11 - 8/17 | 3500 LV | 24 | 67 | -43 |
| The Economist/YouGov | 8/9 - 8/11 | 732 RV | 26 | 63 | -37 |
| Reason-Rupe/PSRAI | 8/6 - 8/10 | 1000 A | 33 | 60 | -27 |
| Rasmussen Reports | 8/4 - 8/10 | 3500 LV | 27 | 65 | -38 |
| McClatchy/Marist | 8/4 - 8/7 | 806 RV | 27 | 66 | -39 |
| The Economist/YouGov | 8/2 - 8/4 | 702 RV | 29 | 58 | -29 |
| NBC News/Wall St. Jrnl | 7/30 - 8/3 | 1000 A | 22 | 71 | -49 |
| CBS News | 7/29 - 8/4 | 1344 A | 25 | 67 | -42 |
| Rasmussen Reports | 7/28 - 8/3 | 3500 LV | 23 | 69 | -46 |
| The Economist/YouGov | 7/26 - 7/28 | 699 RV | 27 | 63 | -36 |
| Associated Press/GfK | 7/24 - 7/28 | 1044 A | 28 | 72 | -44 |
| Rasmussen Reports | 7/21 - 7/27 | 3500 LV | 24 | 68 | -44 |
| The Economist/YouGov | 7/19 - 7/21 | 696 RV | 27 | 61 | -34 |
| Rasmussen Reports | 7/14 - 7/20 | 3500 LV | 26 | 67 | -41 |
| The Economist/YouGov | 7/12 - 7/14 | 694 RV | 25 | 63 | -38 |
| Rasmussen Reports | 7/7 - 7/13 | 3500 LV | 25 | 67 | -42 |
| The Economist/YouGov | 7/5 - 7/7 | 681 RV | 28 | 60 | -32 |
| Rasmussen Reports | 6/30 - 7/6 | 3500 LV | 25 | 67 | -42 |
| The Economist/YouGov | 6/28 - 6/30 | 700 RV | 29 | 59 | -30 |
| Rasmussen Reports | 6/23 - 6/29 | 3500 LV | 26 | 67 | -41 |
| The Economist/YouGov | 6/21 - 6/23 | 670 RV | 29 | 59 | -30 |
| Rasmussen Reports | 6/16 - 6/22 | 3500 LV | 27 | 65 | -38 |
| The Economist/YouGov | 6/14 - 6/16 | 704 RV | 27 | 63 | -36 |
| NBC News/Wall St. Jrnl | 6/11 - 6/15 | 1000 A | 25 | 63 | -38 |
| Rasmussen Reports | 6/9 - 6/15 | 3500 LV | 26 | 67 | -41 |
| The Economist/YouGov | 6/7 - 6/9 | 692 RV | 26 | 63 | -37 |
| Bloomberg | 6/6 - 6/9 | 1005 A | 26 | 64 | -38 |
| Rasmussen Reports | 6/2 - 6/8 | 3500 LV | 30 | 62 | -32 |
| Rasmussen Reports | 5/26 - 6/1 | 3500 LV | 30 | 63 | -33 |
| Rasmussen Reports | 5/19 - 5/25 | 3500 LV | 29 | 62 | -33 |
| Associated Press/GfK | 5/16 - 5/19 | 1354 A | 37 | 62 | -25 |
| CBS News | 5/16 - 5/19 | 1009 A | 30 | 62 | -32 |
| Rasmussen Reports | 5/12 - 5/18 | 3500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 5/10 - 5/12 | 674 RV | 28 | 58 | -30 |
| Rasmussen Reports | 5/5 - 5/10 | 3500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 5/3 - 5/5 | 705 RV | 28 | 60 | -32 |
| Rasmussen Reports | 4/28 - 5/4 | 3500 LV | 27 | 65 | -38 |
| The Economist/YouGov | 4/26 - 4/28 | 684 RV | 30 | 60 | -30 |
| ABC News/Wash Post | 4/24 - 4/27 | 855 RV | 28 | 69 | -41 |
| NBC News/Wall St. Jrnl | 4/23 - 4/27 | 1000 A | 27 | 63 | -36 |
| Rasmussen Reports | 4/21 - 4/27 | 3500 LV | 27 | 66 | -39 |
| The Economist/YouGov | 4/19 - 4/21 | 671 RV | 29 | 60 | -31 |
| Rasmussen Reports | 4/14 - 4/20 | 3500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 4/12 - 4/14 | 704 RV | 30 | 59 | -29 |
| Reuters/Ipsos | 4/11 - 4/15 | 1533 A | 25 | 58 | -33 |
| National Journal | 4/9 - 4/13 | 1000 A | 27 | 62 | -35 |
| Rasmussen Reports | 4/7 - 4/13 | 3500 LV | 31 | 61 | -30 |
| McClatchy/Marist | 4/7 - 4/10 | 1036 RV | 33 | 64 | -31 |
| The Economist/YouGov | 4/5 - 4/7 | 693 RV | 26 | 62 | -36 |
| Rasmussen Reports | 3/31 - 4/6 | 3500 LV | 30 | 62 | -32 |
| The Economist/YouGov | 3/29 - 3/31 | 713 RV | 30 | 61 | -31 |
| Reason-Rupe/PSRAI | 3/26 - 3/30 | 1003 A | 30 | 60 | -30 |
| Rasmussen Reports | 3/24 - 3/30 | 3500 LV | 28 | 64 | -36 |
| The Economist/YouGov | 3/22 - 3/24 | 711 RV | 30 | 57 | -27 |
| Associated Press/GfK | 3/20 - 3/24 | 1012 A | 37 | 62 | -25 |
| CBS News | 3/20 - 3/23 | 1097 A | 36 | 61 | -25 |
| NPR/GQR/Resurgent | 3/19 - 3/23 | 840 LV | 29 | 63 | -34 |
| Rasmussen Reports | 3/17 - 3/23 | 3500 LV | 29 | 63 | -34 |
| GWU/Battleground | 3/16 - 3/20 | 1000 LV | 28 | 64 | -36 |
| The Economist/YouGov | 3/15 - 3/17 | 717 RV | 28 | 61 | -33 |
| Reuters/Ipsos | 3/14 - 3/18 | 1369 A | 22 | 59 | -37 |
| Rasmussen Reports | 3/10 - 3/16 | 3500 LV | 29 | 62 | -33 |
| The Economist/YouGov | 3/8 - 3/10 | 714 RV | 28 | 61 | -33 |
| Reuters/Ipsos | 3/7 - 3/11 | 1746 A | 24 | 58 | -34 |
| Bloomberg | 3/7 - 3/10 | 1001 A | 30 | 62 | -32 |
| NBC News/Wall St. Jrnl | 3/5 - 3/9 | 1000 A | 26 | 65 | -39 |
| Rasmussen Reports | 3/3 - 3/9 | 3500 LV | 29 | 64 | -35 |
| The Economist/YouGov | 3/1 - 3/3 | 710 RV | 26 | 62 | -36 |
| Rasmussen Reports | 2/24 - 3/2 | 3500 LV | 28 | 64 | -36 |
| The Economist/YouGov | 2/22 - 2/24 | 710 RV | 29 | 59 | -30 |
| CBS News/NY Times | 2/19 - 2/23 | 1644 A | 32 | 63 | -31 |
| Rasmussen Reports | 2/17 - 2/23 | 3500 LV | 32 | 61 | -29 |
| The Economist/YouGov | 2/15 - 2/17 | 723 RV | 26 | 62 | -36 |
| Rasmussen Reports | 2/10 - 2/16 | 3500 LV | 30 | 62 | -32 |
| The Economist/YouGov | 2/8 - 2/10 | 716 RV | 29 | 62 | -33 |
| McClatchy/Marist | 2/4 - 2/9 | 970 RV | 31 | 66 | -35 |
| Rasmussen Reports | 2/3 - 2/9 | 3500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 2/1 - 2/3 | 689 RV | 27 | 61 | -34 |
| Rasmussen Reports | 1/27 - 2/2 | 3500 LV | 29 | 64 | -35 |
| Reuters/Ipsos | 1/26 - 1/30 | 1424 A | 23 | 62 | -39 |
| The Economist/YouGov | 1/25 - 1/27 | 714 RV | 30 | 60 | -30 |
| NBC News/Wall St. Jrnl | 1/22 - 1/25 | 800 A | 28 | 63 | -35 |
| Rasmussen Reports | 1/20 - 1/26 | 3500 LV | 30 | 63 | -33 |
| ABC News/Wash Post | 1/20 - 1/23 | RV | 34 | 64 | -30 |
| Reuters/Ipsos | 1/18 - 1/22 | 1499 A | 22 | 62 | -40 |
| The Economist/YouGov | 1/18 - 1/20 | 700 RV | 27 | 60 | -33 |
| Associated Press/GfK | 1/17 - 1/21 | 1060 A | 35 | 64 | -29 |
| CBS News | 1/17 - 1/21 | 1018 A | 33 | 61 | -28 |
| Rasmussen Reports | 1/13 - 1/19 | 3500 LV | 30 | 62 | -32 |
| GWU/Battleground | 1/12 - 1/16 | 1000 LV | 24 | 67 | -43 |
| NBC News/Marist | 1/12 - 1/14 | 1039 RV | 30 | 62 | -32 |
| The Economist/YouGov | 1/11 - 1/13 | 696 RV | 27 | 61 | -34 |
| Reuters/Ipsos | 1/10 - 1/14 | 1245 A | 20 | 62 | -42 |
| Rasmussen Reports | 1/6 - 1/12 | 3500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 1/4 - 1/6 | 698 RV | 28 | 60 | -32 |
| Reuters/Ipsos | 1/3 - 1/7 | 1451 A | 22 | 60 | -38 |
| Rasmussen Reports | 12/30 - 1/5 | 3500 LV | 29 | 62 | -33 |
| The Economist/YouGov | 12/28 - 12/30 | 666 RV | 26 | 60 | -34 |
| Rasmussen Reports | 12/23 - 12/29 | 3500 LV | 30 | 63 | -33 |
| The Economist/YouGov | 12/21 - 12/23 | 1000 A | 29 | 61 | -32 |
| Rasmussen Reports | 12/16 - 12/22 | 3500 LV | 29 | 64 | -35 |
| The Economist/YouGov | 12/14 - 12/16 | 1000 A | 25 | 60 | -35 |
| Rasmussen Reports | 12/9 - 12/15 | 3500 LV | 26 | 66 | -40 |
| The Economist/YouGov | 12/7 - 12/9 | 1000 A | 27 | 60 | -33 |
| Bloomberg | 12/6 - 12/9 | 1004 A | 27 | 67 | -40 |
| Associated Press/GfK | 12/5 - 12/9 | 1367 A | 34 | 66 | -32 |
| CBS News/NY Times | 12/5 - 12/8 | 1000 A | 30 | 63 | -33 |
| NBC News/Wall St. Jrnl | 12/4 - 12/8 | 1000 A | 29 | 64 | -35 |
| Reason-Rupe/PSRAI | 12/4 - 12/8 | 1011 A | 35 | 56 | -21 |
| McClatchy/Marist | 12/3 - 12/5 | 988 RV | 30 | 67 | -37 |
| Rasmussen Reports | 12/2 - 12/8 | 3500 LV | 28 | 65 | -37 |
| The Economist/YouGov | 11/30 - 12/2 | 1000 A | 24 | 62 | -38 |
| Reuters/Ipsos | 11/29 - 12/3 | 1494 A | 22 | 63 | -41 |
| Rasmussen Reports | 11/25 - 12/1 | 3500 LV | 25 | 67 | -42 |
| The Economist/YouGov | 11/23 - 11/25 | 1000 A | 24 | 66 | -42 |
| Reuters/Ipsos | 11/22 - 11/26 | 1191 A | 19 | 64 | -45 |
| Rasmussen Reports | 11/18 - 11/24 | 3500 LV | 26 | 67 | -41 |
| The Economist/YouGov | 11/16 - 11/18 | 649 RV | 26 | 63 | -37 |
| CBS News | 11/15 - 11/18 | 1010 A | 27 | 68 | -41 |
| ABC News/Wash Post | 11/14 - 11/17 | RV | 27 | 70 | -43 |
| Rasmussen Reports | 11/11 - 11/17 | 3500 LV | 25 | 68 | -43 |
| The Economist/YouGov | 11/9 - 11/11 | 710 RV | 25 | 65 | -40 |
| Rasmussen Reports | 11/4 - 11/10 | 3500 LV | 24 | 69 | -45 |
| National Journal | 11/2 - 11/6 | 1000 A | 23 | 65 | -42 |
| The Economist/YouGov | 11/2 - 11/4 | 686 RV | 23 | 63 | -40 |
| Rasmussen Reports | 10/28 - 11/3 | 3500 LV | 24 | 69 | -45 |
| GWU/Battleground | 10/27 - 10/31 | 1000 LV | 19 | 73 | -54 |
| The Economist/YouGov | 10/26 - 10/28 | 662 RV | 26 | 64 | -38 |
| Reuters/Ipsos | 10/25 - 10/29 | 1660 A | 19 | 66 | -47 |
| NBC News/Wall St. Jrnl | 10/25 - 10/28 | 800 A | 22 | 70 | -48 |
| Rasmussen Reports | 10/21 - 10/27 | 3500 LV | 25 | 68 | -43 |
| The Economist/YouGov | 10/19 - 10/21 | 658 RV | 26 | 66 | -40 |
| CBS News | 10/18 - 10/21 | 1007 A | 23 | 72 | -49 |
| ABC News/Wash Post | 10/17 - 10/20 | RV | 26 | 71 | -45 |
| Rasmussen Reports | 10/14 - 10/20 | 3500 LV | 17 | 75 | -58 |
| The Economist/YouGov | 10/12 - 10/14 | 691 RV | 15 | 76 | -61 |
| Rasmussen Reports | 10/7 - 10/13 | 3500 LV | 13 | 80 | -67 |
| NBC News/Wall St. Jrnl | 10/7 - 10/9 | 800 A | 14 | 78 | -64 |
| Democracy Corps (D) | 10/6 - 10/8 | 860 LV | 18 | 76 | -58 |
| The Economist/YouGov | 10/5 - 10/7 | 716 RV | 18 | 73 | -55 |
| Reuters/Ipsos | 10/4 - 10/8 | 1300 A | 15 | 68 | -53 |
| Associated Press/GfK | 10/3 - 10/7 | 1227 A | 22 | 78 | -56 |
| Rasmussen Reports | 9/30 - 10/6 | 3500 LV | 17 | 76 | -59 |
| The Economist/YouGov | 9/28 - 9/30 | 723 RV | 25 | 65 | -40 |
| Reuters/Ipsos | 9/27 - 10/1 | 2242 A | 24 | 60 | -36 |
| Rasmussen Reports | 9/23 - 9/29 | 3500 LV | 28 | 63 | -35 |
| The Economist/YouGov | 9/21 - 9/23 | 690 RV | 29 | 62 | -33 |
| Reuters/Ipsos | 9/20 - 9/24 | 1729 A | 22 | 64 | -42 |
| Bloomberg | 9/20 - 9/23 | 1000 A | 25 | 68 | -43 |
| CBS News/NY Times | 9/19 - 9/23 | 1014 A | 29 | 66 | -37 |
| Rasmussen Reports | 9/16 - 9/22 | 3500 LV | 28 | 65 | -37 |
| The Economist/YouGov | 9/14 - 9/16 | 689 RV | 30 | 58 | -28 |
| Rasmussen Reports | 9/9 - 9/15 | 3500 LV | 30 | 61 | -31 |
| The Economist/YouGov | 9/7 - 9/9 | 699 RV | 28 | 60 | -32 |
| Reuters/Ipsos | 9/6 - 9/10 | 1412 A | 21 | 62 | -41 |
| NBC News/Wall St. Jrnl | 9/5 - 9/8 | 1000 A | 30 | 62 | -32 |
| Reason-Rupe/PSRAI | 9/4 - 9/8 | 1013 A | 28 | 61 | -33 |
| National Journal | 9/3 - 9/7 | 1000 A | 25 | 64 | -39 |
| Rasmussen Reports | 9/2 - 9/8 | 3500 LV | 30 | 61 | -31 |
| The Economist/YouGov | 8/31 - 9/2 | 691 RV | 28 | 59 | -31 |
| Reuters/Ipsos | 8/30 - 9/3 | 1195 A | 24 | 60 | -36 |
| Rasmussen Reports | 8/26 - 9/1 | 3500 LV | 30 | 62 | -32 |
| The Economist/YouGov | 8/24 - 8/26 | 672 RV | 28 | 62 | -34 |
| Reuters/Ipsos | 8/23 - 8/27 | 2293 A | 24 | 60 | -36 |
| Rasmussen Reports | 8/19 - 8/25 | 3500 LV | 29 | 64 | -35 |
| The Economist/YouGov | 8/17 - 8/19 | 734 RV | 31 | 59 | -28 |
| Reuters/Ipsos | 8/16 - 8/20 | 1365 A | 24 | 59 | -35 |
| Rasmussen Reports | 8/12 - 8/18 | 3500 LV | 29 | 63 | -34 |
| The Economist/YouGov | 8/10 - 8/12 | 747 RV | 30 | 60 | -30 |
| Reuters/Ipsos | 8/9 - 8/13 | 1291 A | 25 | 59 | -34 |
| Rasmussen Reports | 8/5 - 8/11 | 3500 LV | 29 | 64 | -35 |
| The Economist/YouGov | 8/3 - 8/5 | 676 RV | 30 | 58 | -28 |
| Rasmussen Reports | 7/29 - 8/4 | 3500 LV | 27 | 65 | -38 |
| The Economist/YouGov | 7/27 - 7/29 | 656 RV | 29 | 59 | -30 |
| Reuters/Ipsos | 7/26 - 7/30 | 1326 A | 25 | 56 | -31 |
| Monmouth | 7/25 - 7/30 | 850 RV | 27 | 66 | -39 |
| Rasmussen Reports | 7/22 - 7/28 | 3500 LV | 26 | 65 | -39 |
| The Economist/YouGov | 7/20 - 7/22 | 726 RV | 28 | 61 | -33 |
| Reuters/Ipsos | 7/19 - 7/23 | 2011 A | 24 | 59 | -35 |
| CBS News | 7/18 - 7/22 | 1036 A | 35 | 60 | -25 |
| ABC News/Wash Post | 7/18 - 7/21 | 1002 A | 36 | 60 | -24 |
| NBC News/Wall St. Jrnl | 7/17 - 7/21 | 1000 A | 29 | 61 | -32 |
| Rasmussen Reports | 7/15 - 7/21 | 3500 LV | 26 | 65 | -39 |
| McClatchy/Marist | 7/15 - 7/18 | 468 RV | 28 | 62 | -34 |
| The Economist/YouGov | 7/13 - 7/15 | 712 RV | 31 | 58 | -27 |
| Reuters/Ipsos | 7/12 - 7/16 | 1745 A | 26 | 57 | -31 |
| Democracy Corps (D) | 7/10 - 7/15 | 841 LV | 27 | 68 | -41 |
| Rasmussen Reports | 7/8 - 7/14 | 3500 LV | 30 | 62 | -32 |
| The Economist/YouGov | 7/6 - 7/8 | 631 RV | 26 | 60 | -34 |
| Reuters/Ipsos | 7/5 - 7/9 | 1437 A | 25 | 58 | -33 |
| Rasmussen Reports | 7/1 - 7/7 | 3500 LV | 27 | 64 | -37 |
| The Economist/YouGov | 6/29 - 7/1 | 690 RV | 32 | 59 | -27 |
| Reuters/Ipsos | 6/28 - 7/2 | 1430 A | 28 | 58 | -30 |
| Rasmussen Reports | 6/24 - 6/30 | 3500 LV | 30 | 63 | -33 |
| The Economist/YouGov | 6/22 - 6/24 | 685 RV | 32 | 57 | -25 |
| Reuters/Ipsos | 6/21 - 6/25 | 1853 A | 28 | 56 | -28 |
| Rasmussen Reports | 6/17 - 6/23 | 3500 LV | 30 | 62 | -32 |
| The Economist/YouGov | 6/15 - 6/17 | 684 RV | 32 | 58 | -26 |
| Reuters/Ipsos | 6/14 - 6/18 | 1734 A | 25 | 59 | -34 |
| Rasmussen Reports | 6/10 - 6/16 | 3500 LV | 29 | 63 | -34 |
| Time | 6/10 - 6/11 | 805 A | 33 | 58 | -25 |
| The Economist/YouGov | 6/8 - 6/10 | 628 RV | 28 | 60 | -32 |
| Reuters/Ipsos | 6/7 - 6/11 | 1037 A | 26 | 59 | -33 |
| Rasmussen Reports | 6/3 - 6/9 | 3500 LV | 31 | 62 | -31 |
| The Economist/YouGov | 6/1 - 6/3 | 672 RV | 32 | 56 | -24 |
| Reuters/Ipsos | 5/31 - 6/4 | 1183 A | 27 | 58 | -31 |
| CBS News/NY Times | 5/31 - 6/4 | 1022 A | 35 | 59 | -24 |
| Bloomberg | 5/31 - 6/3 | 1002 A | 32 | 60 | -28 |
| NBC News/Wall St. Jrnl | 5/30 - 6/2 | 1000 A | 32 | 59 | -27 |
| National Journal | 5/29 - 6/2 | 1000 A | 30 | 58 | -28 |
| Rasmussen Reports | 5/27 - 6/2 | 3500 LV | 32 | 59 | -27 |
| The Economist/YouGov | 5/25 - 5/27 | 678 RV | 33 | 53 | -20 |
| Rasmussen Reports | 5/20 - 5/26 | 3500 LV | 30 | 61 | -31 |
| The Economist/YouGov | 5/18 - 5/20 | 675 RV | 33 | 59 | -26 |
| ABC News/Wash Post | 5/16 - 5/19 | RV | 37 | 60 | -23 |
| Rasmussen Reports | 5/13 - 5/19 | 3500 LV | 30 | 62 | -32 |
| The Economist/YouGov | 5/11 - 5/13 | 661 RV | 29 | 57 | -28 |
| Reuters/Ipsos | 5/10 - 5/14 | 1215 A | 24 | 59 | -35 |
| Reason-Rupe/PSRAI | 5/9 - 5/13 | 1003 A | 34 | 57 | -23 |
| Rasmussen Reports | 5/6 - 5/11 | 3500 LV | 30 | 62 | -32 |
| The Economist/YouGov | 5/4 - 5/6 | 704 RV | 32 | 56 | -24 |
| Reuters/Ipsos | 5/3 - 5/7 | 1589 A | 28 | 58 | -30 |
| Pew Research | 5/1 - 5/5 | 764 A | 32 | 58 | -26 |
| Rasmussen Reports | 4/29 - 5/5 | 3500 LV | 31 | 61 | -30 |
| The Economist/YouGov | 4/27 - 4/29 | 638 RV | 30 | 58 | -28 |
| Reuters/Ipsos | 4/25 - 5/1 | 943 A | 24 | 60 | -36 |
| CBS News/NY Times | 4/24 - 4/28 | 965 A | 34 | 59 | -25 |
| Rasmussen Reports | 4/22 - 4/28 | 3500 LV | 30 | 62 | -32 |
| Rasmussen Reports | 4/15 - 4/21 | 3500 LV | 30 | 62 | -32 |
| Associated Press/GfK | 4/11 - 4/15 | 1004 A | 36 | 56 | -20 |
| Rasmussen Reports | 4/8 - 4/14 | 3500 LV | 31 | 60 | -29 |
| National Journal | 4/5 - 4/9 | 1000 A | 29 | 60 | -31 |
| NBC News/Wall St. Jrnl | 4/5 - 4/8 | 1000 A | 31 | 61 | -30 |
| Rasmussen Reports | 4/1 - 4/7 | 3500 LV | 34 | 59 | -25 |
| Rasmussen Reports | 3/25 - 3/31 | 3500 LV | 35 | 57 | -22 |
| McClatchy/Marist | 3/25 - 3/27 | 1061 RV | 37 | 60 | -23 |
| CBS News | 3/20 - 3/24 | 1181 A | 32 | 61 | -29 |
| Rasmussen Reports | 3/18 - 3/24 | 3500 LV | 33 | 59 | -26 |
| Rasmussen Reports | 3/11 - 3/17 | 3500 LV | 31 | 60 | -29 |
| Rasmussen Reports | 3/4 - 3/10 | 3500 LV | 29 | 64 | -35 |
| McClatchy/Marist | 3/4 - 3/7 | 1068 RV | 34 | 62 | -28 |
| Rasmussen Reports | 2/25 - 3/3 | 3500 LV | 28 | 64 | -36 |
| Reason-Rupe/PSRAI | 2/21 - 2/25 | 1002 A | 35 | 59 | -24 |
| NBC News/Wall St. Jrnl | 2/21 - 2/24 | 1000 A | 32 | 59 | -27 |
| Rasmussen Reports | 2/18 - 2/24 | 3500 LV | 34 | 58 | -24 |
| Bloomberg | 2/15 - 2/18 | 1003 A | 37 | 54 | -17 |
| Rasmussen Reports | 2/11 - 2/17 | 3500 LV | 38 | 54 | -16 |
| CBS News | 2/6 - 2/10 | 1148 A | 40 | 54 | -14 |
| Rasmussen Reports | 2/4 - 2/10 | 3500 LV | 38 | 55 | -17 |
| Rasmussen Reports | 1/28 - 2/3 | 3000 LV | 39 | 53 | -14 |
| Rasmussen Reports | 1/21 - 1/27 | 3000 LV | 39 | 54 | -15 |
| Rasmussen Reports | 1/14 - 1/20 | 3000 LV | 35 | 57 | -22 |
| NBC News/Wall St. Jrnl | 1/12 - 1/15 | 1000 A | 35 | 57 | -22 |
| CBS News/NY Times | 1/11 - 1/15 | 1110 A | 38 | 57 | -19 |
| Associated Press/GfK | 1/10 - 1/14 | 1004 A | 38 | 53 | -15 |
| Democracy Corps (D) | 1/10 - 1/14 | 852 LV | 32 | 60 | -28 |
| ABC News/Wash Post | 1/10 - 1/13 | RV | 37 | 58 | -21 |
| Rasmussen Reports | 1/7 - 1/13 | 3000 LV | 36 | 57 | -21 |
| Rasmussen Reports | 1/2 - 1/6 | 3000 LV | 33 | 58 | -25 |
| Rasmussen Reports | 12/26 - 12/30 | 3000 LV | 33 | 59 | -26 |
| Rasmussen Reports | 12/17 - 12/22 | 3500 LV | 35 | 55 | -20 |
| CBS News | 12/12 - 12/16 | 1179 A | 37 | 57 | -20 |
| Rasmussen Reports | 12/10 - 12/16 | 3500 LV | 37 | 55 | -18 |
| Bloomberg | 12/7 - 12/10 | 1000 A | 38 | 55 | -17 |
| NBC News/Wall St. Jrnl | 12/6 - 12/9 | 1000 A | 41 | 53 | -12 |
| McClatchy/Marist | 12/4 - 12/6 | 1091 RV | 39 | 56 | -17 |
| Rasmussen Reports | 12/3 - 12/9 | 3500 LV | 38 | 52 | -14 |
| Politico/GWU/Battleground | 12/2 - 12/6 | 1000 LV | 34 | 59 | -25 |
| Associated Press/GfK | 11/29 - 12/3 | 1002 A | 42 | 50 | -8 |
| Rasmussen Reports | 11/26 - 12/2 | 3500 LV | 41 | 52 | -11 |
| National Journal | 11/25 - 12/1 | 1000 A | 41 | 50 | -9 |
| Rasmussen Reports | 11/19 - 11/25 | 3500 LV | 41 | 51 | -10 |
| Rasmussen Reports | 11/12 - 11/18 | 3500 LV | 41 | 52 | -11 |
| Rasmussen Reports | 11/5 - 11/11 | 3500 LV | 42 | 51 | -9 |
| Politico/GWU/Battleground | 11/4 - 11/5 | 1000 LV | 39 | 54 | -15 |
| NBC News/Wall St. Jrnl | 11/1 - 11/3 | 1475 LV | 42 | 53 | -11 |
| Rasmussen Reports | 10/29 - 11/4 | 3500 LV | 43 | 54 | -11 |
| Politico/GWU/Battleground | 10/29 - 11/1 | 1000 LV | 40 | 55 | -15 |
| ABC News/Wash Post | 10/29 - 11/1 | 1535 LV | 43 | 55 | -12 |
| CBS News/NY Times | 10/25 - 10/28 | 898 A | 39 | 54 | -15 |
| NPR | 10/23 - 10/25 | 1000 LV | 41 | 55 | -14 |
| Rasmussen Reports | 10/22 - 10/28 | 3500 LV | 39 | 57 | -18 |
| Politico/GWU/Battleground | 10/22 - 10/25 | 1000 LV | 37 | 56 | -19 |
| Associated Press/GfK | 10/19 - 10/23 | 839 LV | 41 | 51 | -10 |
| NBC News/Wall St. Jrnl | 10/17 - 10/20 | 1000 RV | 41 | 53 | -12 |
| CBS News | 10/17 - 10/20 | 1383 A | 40 | 53 | -13 |
| Rasmussen Reports | 10/15 - 10/21 | 3500 LV | 37 | 57 | -20 |
| Politico/GWU/Battleground | 10/15 - 10/18 | 1000 LV | 37 | 57 | -20 |
| ABC News/Wash Post | 10/10 - 10/13 | 923 LV | 42 | 56 | -14 |
| Rasmussen Reports | 10/8 - 10/14 | 3500 LV | 37 | 58 | -21 |
| Politico/GWU/Battleground | 10/7 - 10/11 | 1000 LV | 40 | 53 | -13 |
| Rasmussen Reports | 10/1 - 10/7 | 3500 LV | 38 | 57 | -19 |
| Politico/GWU/Battleground | 10/1 - 10/4 | 1000 LV | 39 | 54 | -15 |
| NPR | 9/26 - 9/30 | 800 LV | 39 | 55 | -16 |
| NBC News/Wall St. Jrnl | 9/26 - 9/30 | 1000 RV | 40 | 53 | -13 |
| ABC News/Wash Post | 9/26 - 9/29 | 929 RV | 38 | 60 | -22 |
| Rasmussen Reports | 9/24 - 9/30 | 3500 LV | 37 | 55 | -18 |
| Politico/GWU/Battleground | 9/24 - 9/27 | 1000 LV | 38 | 56 | -18 |
| Bloomberg | 9/21 - 9/24 | 1007 A | 33 | 60 | -27 |
| Rasmussen Reports | 9/17 - 9/23 | 3500 LV | 36 | 58 | -22 |
| Politico/GWU/Battleground | 9/16 - 9/20 | 1000 LV | 37 | 57 | -20 |
| National Journal | 9/15 - 9/19 | 1250 A | 35 | 56 | -21 |
| Associated Press/GfK | 9/13 - 9/17 | 807 LV | 41 | 52 | -11 |
| NBC News/Wall St. Jrnl | 9/12 - 9/16 | 900 RV | 39 | 55 | -16 |
| Rasmussen Reports | 9/10 - 9/16 | 3500 LV | 35 | 58 | -23 |
| CBS News/NY Times | 9/8 - 9/12 | 1162 LV | 38 | 57 | -19 |
| Democracy Corps (D) | 9/8 - 9/12 | 1000 LV | 39 | 55 | -16 |
| Reuters/Ipsos | 9/7 - 9/10 | 1089 A | 39 | 55 | -16 |
| Rasmussen Reports | 9/3 - 9/9 | 3500 LV | 37 | 57 | -20 |
| Rasmussen Reports | 8/27 - 9/2 | 3500 LV | 31 | 62 | -31 |
| Democracy Corps (D) | 8/23 - 8/27 | 1000 LV | 33 | 62 | -29 |
| ABC News/Wash Post | 8/22 - 8/25 | 857 RV | 29 | 69 | -40 |
| Rasmussen Reports | 8/20 - 8/26 | 3500 LV | 28 | 63 | -35 |
| Associated Press/GfK | 8/16 - 8/20 | 1006 A | 35 | 60 | -25 |
| NBC News/Wall St. Jrnl | 8/16 - 8/20 | 1000 RV | 32 | 61 | -29 |
| Rasmussen Reports | 8/13 - 8/19 | 3500 LV | 29 | 63 | -34 |
| Rasmussen Reports | 8/6 - 8/12 | 3500 LV | 29 | 63 | -34 |
| Politico/GWU/Battleground | 8/5 - 8/9 | 1000 LV | 32 | 61 | -29 |
| Reuters/Ipsos | 8/2 - 8/6 | 1168 A | 31 | 64 | -33 |
| Rasmussen Reports | 7/30 - 8/5 | 3500 LV | 27 | 66 | -39 |
| Rasmussen Reports | 7/23 - 7/29 | 3500 LV | 29 | 64 | -35 |
| Democracy Corps (D) | 7/21 - 7/25 | 700 LV | 36 | 58 | -22 |
| NBC News/Wall St. Jrnl | 7/18 - 7/22 | 1000 RV | 32 | 60 | -28 |
| Rasmussen Reports | 7/16 - 7/22 | 3500 LV | 30 | 62 | -32 |
| CBS News/NY Times | 7/11 - 7/16 | 1089 A | 30 | 64 | -34 |
| Rasmussen Reports | 7/9 - 7/15 | 3500 LV | 28 | 65 | -37 |
| NPR | 7/9 - 7/12 | 1000 LV | 32 | 60 | -28 |
| Reuters/Ipsos | 7/5 - 7/9 | 1154 A | 36 | 58 | -22 |
| ABC News/Wash Post | 7/5 - 7/8 | 1003 A | 33 | 63 | -30 |
| Rasmussen Reports | 7/2 - 7/8 | 3500 LV | 32 | 62 | -30 |
| Newsweek/Daily Beast | 6/28 - 6/28 | 600 LV | 26 | 59 | -33 |
| Rasmussen Reports | 6/25 - 7/1 | 3500 LV | 30 | 63 | -33 |
| NBC News/Wall St. Jrnl | 6/20 - 6/24 | 1000 A | 31 | 61 | -30 |
| Rasmussen Reports | 6/18 - 6/24 | 3500 LV | 27 | 65 | -38 |
| Bloomberg | 6/15 - 6/18 | 1002 A | 31 | 62 | -31 |
| Associated Press/GfK | 6/14 - 6/18 | 1007 A | 31 | 60 | -29 |
| Rasmussen Reports | 6/11 - 6/17 | 3500 LV | 30 | 64 | -34 |
| Reuters/Ipsos | 6/7 - 6/11 | 1099 A | 32 | 63 | -31 |
| Rasmussen Reports | 6/4 - 6/10 | 3500 LV | 29 | 64 | -35 |
| CBS News/NY Times | 5/31 - 6/3 | 976 A | 31 | 62 | -31 |
| Rasmussen Reports | 5/28 - 6/3 | 3500 LV | 31 | 61 | -30 |
| Rasmussen Reports | 5/21 - 5/27 | 3500 LV | 31 | 62 | -31 |
| National Journal | 5/19 - 5/23 | 1000 A | 33 | 57 | -24 |
| NBC News/Wall St. Jrnl | 5/16 - 5/20 | 1000 A | 33 | 58 | -25 |
| Rasmussen Reports | 5/14 - 5/20 | 3500 LV | 30 | 63 | -33 |
| Rasmussen Reports | 5/7 - 5/12 | 3500 LV | 28 | 65 | -37 |
| Associated Press/GfK | 5/3 - 5/7 | 1004 A | 37 | 56 | -19 |
| Reuters/Ipsos | 5/3 - 5/7 | 1131 A | 35 | 57 | -22 |
| Rasmussen Reports | 4/30 - 5/6 | 3500 LV | 31 | 63 | -32 |
| Resurgent Republic (R) | 4/30 - 5/3 | 1000 RV | 33 | 60 | -27 |
| Politico/GWU/Battleground | 4/29 - 5/3 | 1000 LV | 33 | 59 | -26 |
| Democracy Corps (D) | 4/28 - 5/1 | 1000 LV | 33 | 59 | -26 |
| Rasmussen Reports | 4/23 - 4/29 | 3500 LV | 31 | 62 | -31 |
| Rasmussen Reports | 4/16 - 4/22 | 3500 LV | 29 | 63 | -34 |
| NBC News/Wall St. Jrnl | 4/13 - 4/17 | 1000 A | 33 | 59 | -26 |
| CBS News/NY Times | 4/13 - 4/17 | 957 A | 31 | 61 | -30 |
| Reuters/Ipsos | 4/12 - 4/15 | 1044 A | 35 | 60 | -25 |
| Rasmussen Reports | 4/9 - 4/15 | 3500 LV | 27 | 65 | -38 |
| ABC News/Wash Post | 4/5 - 4/8 | 1103 A | 33 | 64 | -31 |
| Rasmussen Reports | 4/2 - 4/8 | 3500 LV | 29 | 64 | -35 |
| Rasmussen Reports | 3/26 - 4/1 | 3500 LV | 29 | 64 | -35 |
| McClatchy/Marist | 3/20 - 3/22 | 1080 RV | 43 | 53 | -10 |
| Rasmussen Reports | 3/19 - 3/25 | 3500 LV | 29 | 64 | -35 |
| Rasmussen Reports | 3/12 - 3/18 | 3500 LV | 31 | 61 | -30 |
| Reuters/Ipsos | 3/8 - 3/11 | 1084 A | 37 | 59 | -22 |
| CBS News/NY Times | 3/7 - 3/11 | 1009 A | 29 | 63 | -34 |
| Rasmussen Reports | 3/5 - 3/11 | 3500 LV | 32 | 63 | -31 |
| National Journal | 3/3 - 3/6 | 1000 A | 30 | 60 | -30 |
| NBC News/Wall St. Jrnl | 2/29 - 3/3 | 800 A | 33 | 58 | -25 |
| Rasmussen Reports | 2/27 - 3/4 | 3500 LV | 30 | 65 | -35 |
| Rasmussen Reports | 2/20 - 2/26 | 3500 LV | 32 | 61 | -29 |
| Politico/GWU/Battleground | 2/19 - 2/22 | 1000 LV | 35 | 59 | -24 |
| Associated Press/GfK | 2/16 - 2/20 | 1000 A | 39 | 57 | -18 |
| Rasmussen Reports | 2/13 - 2/19 | 3500 LV | 31 | 61 | -30 |
| Democracy Corps (D) | 2/11 - 2/14 | 1000 LV | 34 | 59 | -25 |
| CBS News/NY Times | 2/8 - 2/13 | 1197 A | 35 | 59 | -24 |
| Rasmussen Reports | 2/6 - 2/12 | 3500 LV | 34 | 59 | -25 |
| Reuters/Ipsos | 2/2 - 2/6 | 1033 A | 32 | 62 | -30 |
| Rasmussen Reports | 1/30 - 2/5 | 3500 LV | 29 | 63 | -34 |
| Rasmussen Reports | 1/23 - 1/29 | 3500 LV | 29 | 64 | -35 |
| NBC News/Wall St. Jrnl | 1/22 - 1/24 | 1000 A | 30 | 61 | -31 |
| Rasmussen Reports | 1/16 - 1/22 | 3500 LV | 26 | 67 | -41 |
| CBS News/NY Times | 1/12 - 1/17 | 1154 A | 29 | 66 | -37 |
| Rasmussen Reports | 1/9 - 1/15 | 3500 LV | 24 | 68 | -44 |
| Democracy Corps (D) | 1/8 - 1/11 | 1000 LV | 28 | 64 | -36 |
| Reuters/Ipsos | 1/5 - 1/9 | 1046 A | 32 | 63 | -31 |
| CBS News | 1/4 - 1/8 | 1413 A | 29 | 65 | -36 |
| Rasmussen Reports | 1/2 - 1/8 | 3500 LV | 24 | 69 | -45 |
| Rasmussen Reports | 12/26 - 12/30 | 3500 LV | 22 | 71 | -49 |
| Rasmussen Reports | 12/19 - 12/22 | 3500 LV | 20 | 72 | -52 |
| CBS News | 12/14 - 12/18 | 992 A | 25 | 69 | -44 |
| Rasmussen Reports | 12/12 - 12/18 | 3500 LV | 22 | 71 | -49 |
| Associated Press/GfK | 12/8 - 12/12 | 1000 A | 26 | 70 | -44 |
| Reuters/Ipsos | 12/8 - 12/12 | 1102 A | 27 | 69 | -42 |
| NBC News/Wall St. Jrnl | 12/7 - 12/11 | 1000 A | 22 | 69 | -47 |
| Rasmussen Reports | 12/5 - 12/11 | 3500 LV | 19 | 73 | -54 |
| CBS News | 12/5 - 12/7 | 856 A | 21 | 75 | -54 |
| National Journal/FD | 11/30 - 12/4 | 1200 A | 20 | 70 | -50 |
| Rasmussen Reports | 11/28 - 12/4 | 3500 LV | 17 | 75 | -58 |
| Rasmussen Reports | 11/21 - 11/27 | 3500 LV | 16 | 76 | -60 |
| McClatchy/Marist | 11/8 - 11/10 | 1026 RV | 25 | 70 | -45 |
| Rasmussen Reports | 11/7 - 11/13 | 3500 LV | 18 | 75 | -57 |
| Politico/GWU/Battleground | 11/6 - 11/9 | 1000 LV | 18 | 75 | -57 |
| NBC News/Wall St. Jrnl | 11/2 - 11/5 | 1000 A | 19 | 73 | -54 |
| Rasmussen Reports | 10/31 - 11/6 | 3500 LV | 17 | 76 | -59 |
| Reuters/Ipsos | 10/31 - 11/3 | 1106 A | 25 | 70 | -45 |
| ABC News/Wash Post | 10/31 - 11/3 | 1004 A | 22 | 74 | -52 |
| Resurgent Republic (R) | 10/30 - 11/2 | 1000 RV | 22 | 70 | -48 |
| Rasmussen Reports | 10/24 - 10/30 | 3500 LV | 17 | 76 | -59 |
| CBS News/NY Times | 10/19 - 10/24 | 1650 A | 21 | 74 | -53 |
| Rasmussen Reports | 10/17 - 10/23 | 3500 LV | 16 | 77 | -61 |
| Democracy Corps (D) | 10/15 - 10/18 | 1000 LV | 15 | 76 | -61 |
| Associated Press/GfK | 10/13 - 10/17 | 1000 A | 24 | 72 | -48 |
| Rasmussen Reports | 10/10 - 10/16 | 3500 LV | 15 | 78 | -63 |
| Time | 10/9 - 10/10 | 1001 A | 14 | 81 | -67 |
| NBC News/Wall St. Jrnl | 10/6 - 10/10 | 1000 A | 17 | 74 | -57 |
| Reuters/Ipsos | 10/6 - 10/10 | 1113 A | 21 | 74 | -53 |
| Rasmussen Reports | 10/3 - 10/9 | 3500 LV | 16 | 77 | -61 |
| National Journal/FD | 9/28 - 10/2 | 1000 A | 20 | 70 | -50 |
| CBS News | 9/28 - 10/2 | 1012 A | 19 | 73 | -54 |
| Rasmussen Reports | 9/26 - 10/2 | 3500 LV | 18 | 75 | -57 |
| Rasmussen Reports | 9/19 - 9/25 | 3500 LV | 17 | 75 | -58 |
| McClatchy/Marist | 9/13 - 9/14 | 1042 A | 22 | 73 | -51 |
| Rasmussen Reports | 9/12 - 9/18 | 3500 LV | 19 | 75 | -56 |
| CBS News/NY Times | 9/10 - 9/15 | 1452 A | 23 | 72 | -49 |
| Bloomberg | 9/9 - 9/12 | 997 A | 20 | 72 | -52 |
| Reuters/Ipsos | 9/8 - 9/12 | 1134 A | 25 | 68 | -43 |
| Rasmussen Reports | 9/5 - 9/11 | 3500 LV | 17 | 75 | -58 |
| Rasmussen Reports | 8/29 - 9/4 | 3500 LV | 18 | 76 | -58 |
| ABC News/Wash Post | 8/29 - 9/1 | 1001 A | 20 | 77 | -57 |
| Resurgent Republic (R) | 8/28 - 8/31 | 1000 RV | 25 | 67 | -42 |
| Rasmussen Reports | 8/22 - 8/28 | 3500 LV | 16 | 76 | -60 |
| Associated Press/GfK | 8/18 - 8/22 | 1000 A | 21 | 75 | -54 |
| Rasmussen Reports | 8/15 - 8/21 | 3500 LV | 14 | 79 | -65 |
| Rasmussen Reports | 8/8 - 8/14 | 3500 LV | 15 | 80 | -65 |
| Democracy Corps (D) | 8/6 - 8/10 | 1000 LV | 16 | 75 | -59 |
| Reuters/Ipsos | 8/4 - 8/8 | 1055 A | 21 | 73 | -52 |
| McClatchy/Marist | 8/2 - 8/4 | 1000 A | 21 | 70 | -49 |
| Rasmussen Reports | 8/1 - 8/7 | 3500 LV | 16 | 77 | -61 |
| Rasmussen Reports | 7/25 - 7/31 | 3500 LV | 14 | 80 | -66 |
| Rasmussen Reports | 7/18 - 7/24 | 3500 LV | 17 | 75 | -58 |
| NBC News/Wall St. Jrnl | 7/14 - 7/17 | 1000 A | 25 | 67 | -42 |
| Rasmussen Reports | 7/11 - 7/17 | 3500 LV | 21 | 71 | -50 |
| Reuters/Ipsos | 7/8 - 7/11 | 1173 A | 31 | 63 | -32 |
| Rasmussen Reports | 7/4 - 7/10 | 3500 LV | 25 | 68 | -43 |
| Rasmussen Reports | 6/27 - 7/2 | 3500 LV | 25 | 68 | -43 |
| CBS News/NY Times | 6/24 - 6/28 | 979 A | 28 | 63 | -35 |
| Rasmussen Reports | 6/20 - 6/26 | 3500 LV | 24 | 68 | -44 |
| Democracy Corps (D) | 6/18 - 6/21 | 1000 RV | 28 | 61 | -33 |
| Bloomberg | 6/17 - 6/20 | 1000 A | 26 | 66 | -40 |
| Associated Press/GfK | 6/16 - 6/20 | 1001 A | 33 | 63 | -30 |
| McClatchy/Marist | 6/15 - 6/23 | 1003 A | 32 | 59 | -27 |
| Rasmussen Reports | 6/13 - 6/19 | 3500 LV | 26 | 65 | -39 |
| NBC News/Wall St. Jrnl | 6/9 - 6/13 | 1000 A | 29 | 62 | -33 |
| Rasmussen Reports | 6/6 - 6/12 | 3500 LV | 27 | 65 | -38 |
| CBS News | 6/3 - 6/7 | 1024 A | 31 | 60 | -29 |
| ABC News/Wash Post | 6/2 - 6/5 | 1002 A | 32 | 66 | -34 |
| Rasmussen Reports | 5/30 - 6/5 | 3500 LV | 28 | 64 | -36 |
| Rasmussen Reports | 5/23 - 5/29 | 3500 LV | 26 | 66 | -40 |
| Democracy Corps (D) | 5/21 - 5/25 | 1000 LV | 33 | 58 | -25 |
| National Journal/FD | 5/18 - 5/22 | 1000 A | 28 | 58 | -30 |
| Rasmussen Reports | 5/16 - 5/22 | 3500 LV | 29 | 63 | -34 |
| Rasmussen Reports | 5/9 - 5/15 | 3500 LV | 29 | 64 | -35 |
| Politico/GWU/Battleground | 5/8 - 5/12 | 1000 LV | 32 | 60 | -28 |
| Associated Press/GfK | 5/5 - 5/9 | 1001 A | 45 | 52 | -7 |
| Reuters/Ipsos | 5/5 - 5/9 | 1029 A | 38 | 56 | -18 |
| NBC News | 5/5 - 5/7 | 800 A | 36 | 50 | -14 |
| Rasmussen Reports | 5/2 - 5/7 | 3500 LV | 29 | 64 | -35 |
| Newsweek/Daily Beast | 5/2 - 5/3 | 600 A | 27 | 60 | -33 |
| Newsweek/Daily Beast | 4/30 - 5/1 | 600 A | 20 | 65 | -45 |
| Rasmussen Reports | 4/25 - 5/1 | 3500 LV | 25 | 67 | -42 |
| Rasmussen Reports | 4/18 - 4/24 | 3500 LV | 21 | 71 | -50 |
| CBS News/NY Times | 4/15 - 4/20 | 1224 A | 26 | 70 | -44 |
| Rasmussen Reports | 4/11 - 4/17 | 3500 LV | 22 | 70 | -48 |
| McClatchy/Marist | 4/10 - 4/14 | 1274 A | 31 | 64 | -33 |
| Democracy Corps (D) | 4/10 - 4/12 | 1000 LV | 26 | 65 | -39 |
| Reuters/Ipsos | 4/7 - 4/10 | 1042 A | 25 | 69 | -44 |
| Hearst/F&M | 4/5 - 4/25 | 800 A | 26 | 66 | -40 |
| Rasmussen Reports | 4/4 - 4/10 | 3500 LV | 23 | 69 | -46 |
| NBC News/Wall St. Jrnl | 3/31 - 4/4 | 1000 A | 28 | 63 | -35 |
| Rasmussen Reports | 3/28 - 4/3 | 3500 LV | 24 | 72 | -48 |
| Associated Press/GfK | 3/24 - 3/28 | 1001 A | 35 | 62 | -27 |
| FDU/Public Mind | 3/21 - 3/28 | 800 RV | 27 | 59 | -32 |
| Rasmussen Reports | 3/21 - 3/27 | 3500 LV | 25 | 68 | -43 |
| Rasmussen Reports | 3/14 - 3/20 | 3500 LV | 23 | 71 | -48 |
| Rasmussen Reports | 3/7 - 3/13 | 3500 LV | 22 | 72 | -50 |
| National Journal/FD | 3/4 - 3/8 | 1000 A | 26 | 60 | -34 |
| Bloomberg | 3/4 - 3/7 | 1001 A | 28 | 63 | -35 |
| Reuters/Ipsos | 3/3 - 3/6 | 1040 A | 31 | 64 | -33 |
| Resurgent Republic (R) | 3/1 - 3/3 | 1000 RV | 26 | 65 | -39 |
| Rasmussen Reports | 2/28 - 3/6 | 3500 LV | 27 | 68 | -41 |
| NBC News/Wall St. Jrnl | 2/24 - 2/28 | 1000 A | 31 | 60 | -29 |
| Rasmussen Reports | 2/21 - 3/27 | 3500 LV | 27 | 66 | -39 |
| Rasmussen Reports | 2/14 - 2/20 | 3500 LV | 26 | 68 | -42 |
| Rasmussen Reports | 2/7 - 2/13 | 3500 LV | 31 | 64 | -33 |
| Democracy Corps (D) | 2/7 - 2/9 | 1000 LV | 36 | 56 | -20 |
| Reuters/Ipsos | 2/4 - 2/7 | 1112 A | 38 | 57 | -19 |
| Rasmussen Reports | 1/31 - 2/6 | 3500 LV | 30 | 64 | -34 |
| Rasmussen Reports | 1/24 - 1/30 | 3500 LV | 32 | 63 | -31 |
| CBS News/NY Times | 1/15 - 1/19 | 1036 A | 32 | 64 | -32 |
| NBC News/Wall St. Jrnl | 1/13 - 1/17 | 1000 A | 35 | 56 | -21 |
| ABC News/Wash Post | 1/13 - 1/16 | 1053 A | 38 | 60 | -22 |
| Rasmussen Reports | 1/10 - 1/16 | 3500 LV | 27 | 66 | -39 |
| Democracy Corps (D) | 1/9 - 1/12 | 1000 LV | 33 | 58 | -25 |
| Reuters/Ipsos | 1/7 - 1/10 | 1021 A | 36 | 59 | -23 |
| McClatchy/Marist | 1/6 - 1/10 | 827 RV | 41 | 47 | -6 |
| Associated Press/GfK | 1/5 - 1/10 | 1001 A | 37 | 57 | -20 |
| Rasmussen Reports | 1/3 - 1/9 | 3500 LV | 26 | 68 | -42 |
| Rasmussen Reports | 12/27 - 1/2 | 3500 LV | 27 | 67 | -40 |
| Rasmussen Reports | 12/20 - 12/26 | 3500 LV | 31 | 64 | -33 |
| Rasmussen Reports | 12/13 - 12/19 | 3500 LV | 23 | 71 | -48 |
| NBC News/Wall St. Jrnl | 12/9 - 12/13 | 1000 A | 28 | 63 | -35 |
| ABC News/Wash Post | 12/9 - 12/12 | 1001 A | 31 | 67 | -36 |
| Rasmussen Reports | 12/6 - 12/12 | 3500 LV | 23 | 71 | -48 |
| Bloomberg | 12/4 - 12/7 | 1000 A | 27 | 66 | -39 |
| Reuters/Ipsos | 12/2 - 12/5 | 1028 A | 29 | 62 | -33 |
| Rasmussen Reports | 11/29 - 12/5 | 3500 LV | 26 | 70 | -44 |
| National Journal/FD | 11/29 - 12/1 | 1200 A | 30 | 60 | -30 |
| Rasmussen Reports | 11/22 - 11/28 | 3500 LV | 29 | 67 | -38 |
| Associated Press/CNBC | 11/18 - 11/22 | 1000 A | 35 | 61 | -26 |
| Rasmussen Reports | 11/15 - 11/21 | 3500 LV | 28 | 66 | -38 |
| McClatchy/Marist | 11/15 - 11/18 | 1020 A | 41 | 53 | -12 |
| NBC News/Wall St. Jrnl | 11/11 - 11/15 | 1000 A | 32 | 58 | -26 |
| Rasmussen Reports | 11/8 - 11/14 | 3500 LV | 26 | 67 | -41 |
| Associated Press/GfK | 11/3 - 11/8 | 1000 A | 37 | 58 | -21 |
| Rasmussen Reports | 11/1 - 11/7 | 3500 LV | 28 | 67 | -39 |
| Reuters/Ipsos | 10/28 - 10/31 | 1075 A | 33 | 62 | -29 |
| NBC News/Wall St. Jrnl | 10/28 - 10/30 | 1000 RV | 31 | 60 | -29 |
| Rasmussen Reports | 10/25 - 10/31 | 3500 LV | 31 | 65 | -34 |
| ABC News/Wash Post | 10/25 - 10/28 | 1015 RV | 27 | 71 | -44 |
| CBS News/NY Times | 10/21 - 10/26 | 1173 A | 34 | 61 | -27 |
| Rasmussen Reports | 10/18 - 10/24 | 3500 LV | 32 | 64 | -32 |
| Politico/GWU/Battleground | 10/17 - 10/20 | 1000 LV | 29 | 64 | -35 |
| NBC News/Wall St. Jrnl | 10/14 - 10/18 | 1000 RV | 32 | 59 | -27 |
| Associated Press/GfK | 10/13 - 10/18 | 1501 A | 38 | 59 | -21 |
| Rasmussen Reports | 10/11 - 10/17 | 3500 LV | 30 | 64 | -34 |
| Reuters/Ipsos | 10/7 - 10/11 | 1038 A | 31 | 63 | -32 |
| Bloomberg | 10/7 - 10/10 | 721 LV | 31 | 64 | -33 |
| Rasmussen Reports | 10/4 - 10/10 | 3500 LV | 32 | 64 | -32 |
| Democracy Corps (D) | 10/2 - 10/4 | 816 LV | 29 | 63 | -34 |
| Rasmussen Reports | 9/27 - 10/3 | 3500 LV | 32 | 61 | -29 |
| NBC News/Wall St. Jrnl | 9/22 - 9/26 | 1000 A | 32 | 59 | -27 |
| Rasmussen Reports | 9/20 - 9/26 | 3500 LV | 31 | 63 | -32 |
| Politico/GWU/Battleground | 9/19 - 9/22 | 1000 LV | 31 | 63 | -32 |
| Reuters/Ipsos | 9/16 - 9/19 | 1161 A | 33 | 61 | -28 |
| McClatchy/Marist | 9/14 - 9/16 | 1000 A | 41 | 56 | -15 |
| Rasmussen Reports | 9/13 - 9/19 | 3500 LV | 29 | 66 | -37 |
| Democracy Corps (D) | 9/11 - 9/14 | 1000 RV | 31 | 60 | -29 |
| CBS News/NY Times | 9/10 - 9/14 | 990 A | 33 | 60 | -27 |
| Associated Press/GfK | 9/8 - 9/13 | 1000 A | 40 | 57 | -17 |
| Politico/GWU/Battleground | 9/7 - 9/9 | 1000 LV | 28 | 63 | -35 |
| Rasmussen Reports | 9/6 - 9/12 | 3500 LV | 30 | 65 | -35 |
| Rasmussen Reports | 8/30 - 9/5 | 3500 LV | 29 | 66 | -37 |
| Democracy Corps (D) | 8/30 - 9/2 | 1000 RV | 31 | 62 | -31 |
| National Journal/FD | 8/27 - 8/30 | 1201 A | 27 | 62 | -35 |
| NBC News/Wall St. Jrnl | 8/26 - 8/30 | 1000 A | 30 | 61 | -31 |
| Rasmussen Reports | 8/23 - 8/29 | 3500 LV | 29 | 64 | -35 |
| Reuters/Ipsos | 8/19 - 8/22 | 1063 A | 31 | 62 | -31 |
| Rasmussen Reports | 8/16 - 8/22 | 3500 LV | 29 | 66 | -37 |
| Time | 8/16 - 8/17 | 1002 A | 34 | 57 | -23 |
| Associated Press/GfK | 8/11 - 8/16 | 1007 A | 35 | 60 | -25 |
| Rasmussen Reports | 8/9 - 8/15 | 3500 LV | 28 | 67 | -39 |
| NBC News/Wall St. Jrnl | 8/5 - 8/9 | 1000 A | 32 | 58 | -26 |
| Rasmussen Reports | 8/2 - 8/8 | 3500 LV | 30 | 65 | -35 |
| Rasmussen Reports | 7/26 - 8/1 | 3500 LV | 30 | 66 | -36 |
| Democracy Corps (D) | 7/26 - 7/29 | 1000 RV | 29 | 64 | -35 |
| Reuters/Ipsos | 7/22 - 7/25 | 1075 A | 34 | 60 | -26 |
| Rasmussen Reports | 7/19 - 7/25 | 3500 LV | 28 | 67 | -39 |
| Rasmussen Reports | 7/12 - 7/18 | 3500 LV | 27 | 67 | -40 |
| Time | 7/12 - 7/13 | 1003 A | 39 | 56 | -17 |
| Bloomberg | 7/9 - 7/12 | 1004 A | 31 | 63 | -32 |
| Rasmussen Reports | 7/5 - 7/11 | 3500 LV | 31 | 64 | -33 |
| Rasmussen Reports | 6/21 - 6/27 | 3500 LV | 28 | 66 | -38 |
| Resurgent Republic (R) | 6/20 - 6/23 | 1000 RV | 27 | 64 | -37 |
| Democracy Corps (D) | 6/19 - 6/22 | 1001 RV | 32 | 61 | -29 |
| NBC News/Wall St. Jrnl | 6/17 - 6/21 | 1000 A | 29 | 62 | -33 |
| CBS News/NY Times | 6/16 - 6/20 | 1259 A | 32 | 60 | -28 |
| Rasmussen Reports | 6/14 - 6/20 | 3500 LV | 28 | 67 | -39 |
| Ipsos/McClatchy | 6/10 - 6/13 | 1071 A | 33 | 61 | -28 |
| Associated Press/GfK | 6/9 - 6/14 | 1044 A | 37 | 60 | -23 |
| Rasmussen Reports | 6/7 - 6/13 | 3500 LV | 30 | 66 | -36 |
| ABC News/Wash Post | 6/3 - 6/6 | 1004 A | 37 | 60 | -23 |
| Rasmussen Reports | 5/31 - 6/6 | 3500 LV | 28 | 67 | -39 |
| R2000/Daily Kos (D) | 5/31 - 6/3 | 1200 RV | 39 | 59 | -20 |
| Rasmussen Reports | 5/24 - 5/30 | 3500 LV | 30 | 65 | -35 |
| R2000/Daily Kos (D) | 5/24 - 5/27 | 1200 A | 40 | 56 | -16 |
| CBS News | 5/20 - 5/24 | 1054 A | 32 | 61 | -29 |
| Rasmussen Reports | 5/17 - 5/23 | 3500 LV | 28 | 67 | -39 |
| R2000/Daily Kos (D) | 5/17 - 5/20 | 1200 RV | 41 | 55 | -14 |
| Democracy Corps (D) | 5/15 - 5/18 | 1000 RV | 33 | 59 | -26 |
| Rasmussen Reports | 5/10 - 5/16 | 3500 LV | 31 | 64 | -33 |
| R2000/Daily Kos (D) | 5/10 - 5/13 | 1200 RV | 43 | 54 | -11 |
| Associated Press/GfK | 5/7 - 5/11 | 1002 A | 35 | 59 | -24 |
| NBC News/Wall St. Jrnl | 5/6 - 5/10 | 1000 A | 34 | 56 | -22 |
| Ipsos-McClatchy | 5/6 - 5/9 | 1016 A | 34 | 60 | -26 |
| Rasmussen Reports | 5/3 - 5/9 | 3500 LV | 30 | 64 | -34 |
| R2000/Daily Kos (D) | 5/3 - 5/6 | 1200 RV | 42 | 55 | -13 |
| Rasmussen Reports | 4/26 - 5/2 | 3500 LV | 33 | 61 | -28 |
| R2000/Daily Kos (D) | 4/26 - 4/29 | 1200 RV | 41 | 56 | -15 |
| Resurgent Republic (R) | 4/25 - 4/27 | 1000 RV | 33 | 59 | -26 |
| National Journal/FD | 4/22 - 4/26 | 1200 A | 34 | 54 | -20 |
| Rasmussen Reports | 4/19 - 4/25 | 3500 LV | 33 | 62 | -29 |
| R2000/Daily Kos (D) | 4/19 - 4/22 | 1200 RV | 39 | 57 | -18 |
| Democracy Corps (D) | 4/17 - 4/20 | 1000 RV | 34 | 57 | -23 |
| Rasmussen Reports | 4/12 - 4/18 | 3500 LV | 33 | 61 | -28 |
| R2000/Daily Kos (D) | 4/12 - 4/15 | 1200 RV | 38 | 58 | -20 |
| Associated Press/GfK | 4/7 - 4/12 | 1001 A | 41 | 57 | -16 |
| CBS News/NY Times | 4/5 - 4/12 | 1580 A | 34 | 59 | -25 |
| Rasmussen Reports | 4/5 - 4/11 | 3500 LV | 34 | 61 | -27 |
| R2000/Daily Kos (D) | 4/5 - 4/8 | 1200 RV | 39 | 58 | -19 |
| GWU/Battleground | 4/5 - 4/8 | 1000 LV | 36 | 55 | -19 |
| Rasmussen Reports | 3/29 - 4/4 | 3500 LV | 35 | 61 | -26 |
| R2000/Daily Kos (D) | 3/29 - 4/1 | 1200 RV | 40 | 57 | -17 |
| Marist | 3/25 - 3/29 | 860 RV | 43 | 53 | -10 |
| Washington Post | 3/23 - 3/26 | 1000 A | 38 | 60 | -22 |
| Rasmussen Reports | 3/22 - 3/28 | 3500 LV | 35 | 60 | -25 |
| R2000/Daily Kos (D) | 3/22 - 3/25 | 1200 RV | 39 | 58 | -19 |
| Bloomberg | 3/19 - 3/22 | 1002 A | 34 | 58 | -24 |
| Rasmussen Reports | 3/15 - 3/21 | 3500 LV | 26 | 68 | -42 |
| R2000/Daily Kos (D) | 3/15 - 3/18 | 1200 RV | 38 | 59 | -21 |
| Democracy Corps (D) | 3/15 - 3/18 | 1016 RV | 28 | 61 | -33 |
| NBC News/Wall St. Jrnl | 3/11 - 3/14 | 1000 A | 33 | 59 | -26 |
| Rasmussen Reports | 3/8 - 3/14 | 3500 LV | 27 | 68 | -41 |
| R2000/Daily Kos (D) | 3/8 - 3/11 | 2400 A | 39 | 60 | -21 |
| Associated Press/GfK | 3/3 - 3/8 | 1002 A | 38 | 56 | -18 |
| R2000/Daily Kos (D) | 3/1 - 3/4 | 2400 A | 38 | 60 | -22 |
| Ipsos/McClatchy | 2/26 - 2/28 | 1076 A | 34 | 60 | -26 |
| Rasmussen Reports | 2/22 - 2/28 | 3500 LV | 25 | 69 | -44 |
| R2000/Daily Kos (D) | 2/22 - 2/25 | 2400 A | 39 | 58 | -19 |
| Democracy Corps (D) | 2/20 - 2/24 | 1001 RV | 32 | 60 | -28 |
| Rasmussen Reports | 2/15 - 2/21 | 3500 LV | 29 | 65 | -36 |
| R2000/Daily Kos (D) | 2/15 - 2/18 | 2400 A | 38 | 59 | -21 |
| Rasmussen Reports | 2/8 - 2/14 | 3500 LV | 28 | 65 | -37 |
| R2000/Daily Kos (D) | 2/8 - 2/11 | 2400 A | 39 | 58 | -19 |
| CBS News/NY Times | 2/5 - 2/10 | 1084 A | 33 | 62 | -29 |
| Democracy Corps (D) | 2/2 - 2/4 | 805 LV | 35 | 58 | -23 |
| Rasmussen Reports | 2/1 - 2/7 | 3500 LV | 30 | 65 | -35 |
| R2000/Daily Kos (D) | 2/1 - 2/4 | 2400 A | 39 | 60 | -21 |
| Marist | 2/1 - 2/3 | 1072 A | 38 | 54 | -16 |
| Ipsos/McClatchy | 1/28 - 1/31 | 1127 A | 37 | 57 | -20 |
| Rasmussen Reports | 1/25 - 1/31 | 3500 LV | 31 | 62 | -31 |
| R2000/Daily Kos (D) | 1/25 - 1/28 | 2400 A | 38 | 60 | -22 |
| NBC News/Wall St. Jrnl | 1/23 - 1/25 | 800 A | 32 | 58 | -26 |
| Rasmussen Reports | 1/18 - 1/24 | 3500 LV | 29 | 65 | -36 |
| R2000/Daily Kos (D) | 1/18 - 1/21 | 2400 A | 38 | 59 | -21 |
| CBS News | 1/14 - 1/17 | 1090 A | 36 | 55 | -19 |
| Associated Press/GfK | 1/12 - 1/17 | 1008 A | 44 | 50 | -6 |
| ABC News/Wash Post | 1/12 - 1/15 | 1083 A | 37 | 62 | -25 |
| Rasmussen Reports | 1/11 - 1/17 | 3500 LV | 30 | 66 | -36 |
| R2000/Daily Kos (D) | 1/11 - 1/14 | 2400 A | 39 | 58 | -19 |
| NBC News/Wall St. Jrnl | 1/10 - 1/14 | 1002 A | 34 | 54 | -20 |
| Democracy Corps (D) | 1/7 - 1/11 | 1001 RV | 38 | 55 | -17 |
| Ipsos/McClatchy | 1/7 - 1/11 | 1336 A | 39 | 55 | -16 |
| Rasmussen Reports | 1/4 - 1/10 | 3500 LV | 32 | 62 | -30 |
| R2000/Daily Kos (D) | 1/4 - 1/7 | 2400 A | 41 | 57 | -16 |
| National Journal/FD | 1/3 - 1/7 | 1200 A | 34 | 55 | -21 |
| Rasmussen Reports | 12/28 - 1/3 | 3500 LV | 32 | 62 | -30 |
| R2000/Daily Kos (D) | 12/27 - 12/31 | 2400 A | 40 | 58 | -18 |
| Rasmussen Reports | 12/21 - 12/27 | 3500 LV | 29 | 67 | -38 |
| R2000/Daily Kos (D) | 12/20 - 12/24 | 2400 A | 39 | 58 | -19 |
| Rasmussen Reports | 12/14 - 12/20 | 3500 LV | 29 | 65 | -36 |
| R2000/Daily Kos (D) | 12/14 - 12/17 | 2400 A | 39 | 59 | -20 |
| NBC News/Wall St. Jrnl | 12/11 - 12/14 | 1008 A | 33 | 55 | -22 |
| Associated Press/GfK | 12/10 - 12/14 | 1001 A | 46 | 50 | -4 |
| Rasmussen Reports | 12/7 - 12/13 | 3500 LV | 30 | 63 | -33 |
| R2000/Daily Kos (D) | 12/7 - 12/10 | 2400 A | 40 | 58 | -18 |
| Battleground | 12/6 - 12/10 | 1000 LV | 34 | 56 | -22 |
| CBS News/NY Times | 12/4 - 12/8 | 1031 A | 37 | 56 | -19 |
| Bloomberg | 12/3 - 12/7 | 1000 A | 32 | 59 | -27 |
| Rasmussen Reports | 11/30 - 12/6 | 3500 LV | 30 | 65 | -35 |
| R2000/Daily Kos (D) | 11/30 - 12/3 | 2400 A | 39 | 58 | -19 |
| Rasmussen Reports | 11/24 - 11/29 | 3500 LV | 30 | 64 | -34 |
| R2000/Daily Kos (D) | 11/22 - 11/25 | 2400 A | 40 | 57 | -17 |
| R2000/Daily Kos (D) | 11/16 - 11/19 | 2400 A | 41 | 55 | -14 |
| Democracy Corps (D) | 11/12 - 11/16 | 1000 RV | 36 | 57 | -21 |
| ABC News/Wash Post | 11/12 - 11/15 | 1001 A | 44 | 55 | -11 |
| Rasmussen Reports | 11/9 - 11/15 | 3400 LV | 33 | 61 | -28 |
| R2000/Daily Kos (D) | 11/9 - 11/12 | 2400 A | 40 | 56 | -16 |
| POS (R) | 11/9 - 11/11 | 700 RV | 34 | 59 | -25 |
| Associated Press/GfK | 11/5 - 11/9 | 1006 A | 38 | 56 | -18 |
| Rasmussen Reports | 11/2 - 11/8 | 3500 LV | 33 | 62 | -29 |
| R2000/Daily Kos (D) | 11/2 - 11/5 | 2400 A | 41 | 55 | -14 |
| Ipsos/McClatchy | 10/29 - 11/1 | 1077 A | 38 | 57 | -19 |
| Rasmussen Reports | 10/26 - 11/1 | 3500 LV | 34 | 61 | -27 |
| R2000/Daily Kos (D) | 10/26 - 10/29 | 2400 A | 42 | 54 | -12 |
| NBC News/Wall St. Jrnl | 10/22 - 10/25 | 1009 A | 36 | 52 | -16 |
| Rasmussen Reports | 10/19 - 10/25 | 3500 LV | 33 | 62 | -29 |
| R2000/Daily Kos (D) | 10/19 - 10/22 | 2400 A | 41 | 55 | -14 |
| ABC News/Wash Post | 10/15 - 10/18 | 1004 A | 44 | 54 | -10 |
| Rasmussen Reports | 10/12 - 10/18 | 3500 LV | 34 | 61 | -27 |
| R2000/Daily Kos (D) | 10/12 - 10/15 | 2400 A | 40 | 56 | -16 |
| Marist | 10/7 - 10/12 | 913 RV | 48 | 47 | +1 |
| Rasmussen Reports | 10/5 - 10/11 | 3500 LV | 34 | 60 | -26 |
| R2000/Daily Kos (D) | 10/5 - 10/8 | 2400 A | 42 | 53 | -11 |
| Ipsos/McClatchy | 10/1 - 10/5 | 1296 A | 40 | 56 | -16 |
| Associated Press/GfK | 10/1 - 10/5 | 1003 A | 41 | 51 | -10 |
| Quinnipiac | 9/29 - 10/5 | 2630 RV | 30 | 69 | -39 |
| Rasmussen Reports | 9/28 - 10/4 | 3500 LV | 31 | 62 | -31 |
| R2000/Daily Kos (D) | 9/28 - 10/1 | 2400 A | 42 | 53 | -11 |
| National Journal/FD | 9/24 - 9/28 | 1200 A | 38 | 50 | -12 |
| Rasmussen Reports | 9/21 - 9/27 | 3500 LV | 33 | 63 | -30 |
| R2000/Daily Kos (D) | 9/21 - 9/24 | 2400 A | 41 | 53 | -12 |
| CBS News/NY Times | 9/19 - 9/23 | 1042 A | 41 | 53 | -12 |
| NBC News/Wall St. Jrnl | 9/17 - 9/20 | 1005 A | 39 | 48 | -9 |
| Rasmussen Reports | 9/14 - 9/20 | 3500 LV | 33 | 62 | -29 |
| R2000/Daily Kos (D) | 9/14 - 9/17 | 2400 A | 40 | 54 | -14 |
| Democracy Corps (D) | 9/12 - 9/16 | 1200 RV | 40 | 52 | -12 |
| Bloomberg | 9/10 - 9/14 | 1004 A | 40 | 52 | -12 |
| Rasmussen Reports | 9/7 - 9/13 | 350 LV | 35 | 59 | -24 |
| R2000/Daily Kos (D) | 9/7 - 9/10 | 2400 A | 39 | 55 | -16 |
| Associated Press/GfK | 9/3 - 9/8 | 1001 A | 37 | 57 | -20 |
| Rasmussen Reports | 8/31 - 9/6 | 3500 LV | 33 | 63 | -30 |
| R2000/Daily Kos (D) | 8/31 - 9/3 | 2400 A | 40 | 55 | -15 |
| Ipsos/McClatchy | 8/27 - 8/31 | 1057 A | 40 | 54 | -14 |
| Rasmussen Reports | 8/24 - 8/30 | 3500 LV | 34 | 61 | -27 |
| R2000/Daily Kos (D) | 8/24 - 8/27 | 2400 A | 42 | 53 | -11 |
| Pew Research | 8/20 - 8/27 | 2003 A | 28 | 65 | -37 |
| Rasmussen Reports | 8/17 - 8/23 | 3500 LV | 34 | 60 | -26 |
| R2000/Daily Kos (D) | 8/17 - 8/20 | 2400 A | 41 | 54 | -13 |
| ABC News/Wash Post | 8/13 - 8/17 | 1001 A | 44 | 55 | -11 |
| Pew Research | 8/11 - 8/17 | 2010 A | 28 | 65 | -37 |
| Rasmussen Reports | 8/10 - 8/16 | 3500 LV | 34 | 61 | -27 |
| R2000/Daily Kos (D) | 8/10 - 8/13 | 2400 A | 42 | 53 | -11 |
| Rasmussen Reports | 8/3 - 8/9 | 3500 LV | 35 | 60 | -25 |
| Marist | 8/3 - 8/6 | 845 RV | 51 | 42 | +9 |
| R2000/Daily Kos (D) | 8/3 - 8/6 | 2400 A | 41 | 54 | -13 |
| Quinnipiac | 7/27 - 8/3 | 2409 RV | 35 | 64 | -29 |
| Rasmussen Reports | 7/27 - 8/2 | 3500 LV | 33 | 60 | -27 |
| R2000/Daily Kos (D) | 7/27 - 7/30 | 2400 A | 42 | 53 | -11 |
| Time | 7/27 - 7/28 | 1002 A | 51 | 44 | +7 |
| CBS News/NY Times | 7/24 - 7/28 | 1050 A | 42 | 49 | -7 |
| NBC News/Wall St. Jrnl | 7/24 - 7/27 | 1011 A | 39 | 49 | -10 |
| Pew Research | 7/22 - 7/26 | 1506 A | 28 | 66 | -38 |
| NPR | 7/22 - 7/26 | 850 LV | 38 | 54 | -16 |
| Rasmussen Reports | 7/20 - 7/26 | 3500 LV | 34 | 61 | -27 |
| R2000/Daily Kos (D) | 7/20 - 7/23 | 2400 A | 41 | 52 | -11 |
| GWU/Battleground | 7/19 - 7/23 | 1000 LV | 38 | 51 | -13 |
| Associated Press/GfK | 7/16 - 7/20 | 1006 A | 40 | 54 | -14 |
| Rasmussen Reports | 7/13 - 7/19 | 3500 LV | 31 | 63 | -32 |
| R2000/Daily Kos (D) | 7/13 - 7/16 | 2400 A | 42 | 51 | -9 |
| Ipsos/McClatchy | 7/9 - 7/13 | 1007 A | 40 | 54 | -14 |
| Diageo/Hotline | 7/9 - 7/13 | 800 RV | 31 | 55 | -24 |
| CBS News | 7/9 - 7/12 | 944 A | 35 | 57 | -22 |
| R2000/Daily Kos (D) | 7/6 - 7/9 | 2400 A | 43 | 50 | -7 |
| Rasmussen Reports | 7/5 - 7/12 | 3500 LV | 32 | 62 | -30 |
| Rasmussen Reports | 6/29 - 7/5 | 3500 LV | 34 | 61 | -27 |
| R2000/Daily Kos (D) | 6/29 - 7/2 | 2400 A | 45 | 49 | -4 |
| Quinnipiac | 6/23 - 6/29 | 3063 RV | 39 | 60 | -21 |
| Rasmussen Reports | 6/22 - 6/28 | 3500 LV | 37 | 57 | -20 |
| R2000/Daily Kos (D) | 6/22 - 6/25 | 2400 A | 46 | 49 | -3 |
| Democracy Corps (D) | 6/19 - 6/22 | 1000 RV | 41 | 49 | -8 |
| ABC News/Wash Post | 6/18 - 6/21 | 1001 A | 47 | 50 | -3 |
| R2000/Daily Kos (D) | 6/15 - 6/18 | 2400 A | 48 | 48 | Tie |
| CBS News/NY Times | 6/12 - 6/16 | 895 A | 44 | 50 | -6 |
| NBC News/Wall St. Jrnl | 6/12 - 6/15 | 1008 A | 42 | 46 | -4 |
| Pew Research | 6/10 - 6/14 | 1502 A | 30 | 64 | -34 |
| R2000/Daily Kos (D) | 6/8 - 6/11 | 2400 A | 46 | 49 | -3 |
| Diageo/Hotline | 6/4 - 6/7 | 800 RV | 45 | 43 | +2 |
| Rasmussen Reports | 6/1 - 6/7 | 3500 LV | 36 | 59 | -23 |
| Marist | 6/1 - 6/3 | 1028 RV | 50 | 40 | +10 |
| R2000/Daily Kos (D) | 5/31 - 6/4 | 2400 A | 45 | 50 | -5 |
| Associated Press-GfK | 5/28 - 6/1 | 1000 A | 48 | 46 | +2 |
| Democracy Corps (D) | 5/26 - 6/1 | 1013 RV | 41 | 50 | -9 |
| R2000/Daily Kos (D) | 5/25 - 5/28 | 2400 A | 46 | 50 | -4 |
| R2000/Daily Kos (D) | 5/18 - 5/21 | 2400 A | 48 | 48 | Tie |
| Rasmussen Reports | 5/11 - 5/17 | 3500 LV | 38 | 56 | -18 |
| R2000/Daily Kos (D) | 5/11 - 5/14 | 2400 A | 46 | 48 | -2 |
| Democracy Corps (D) | 5/10 - 5/12 | 1000 RV | 44 | 47 | -3 |
| CBS News | 5/6 - 5/12 | 1874 A | 45 | 48 | -3 |
| R2000/Daily Kos (D) | 5/4 - 5/7 | 2400 A | 45 | 49 | -4 |
| Ipsos/McClatchy | 4/30 - 5/3 | 1004 A | 55 | 38 | +17 |
| R2000/Daily Kos (D) | 4/27 - 4/30 | 2400 A | 46 | 49 | -3 |
| NBC News/Wall St. Jrnl | 4/23 - 4/26 | 1005 A | 43 | 43 | Tie |
| Diageo/Hotline | 4/23 - 4/26 | 800 RV | 42 | 47 | -5 |
| CBS News/NY Times | 4/22 - 4/26 | 973 A | 41 | 50 | -9 |
| Democracy Corps (D) | 4/22 - 4/26 | 1000 RV | 43 | 46 | -3 |
| Quinnipiac | 4/21 - 4/27 | 2041 RV | 36 | 63 | -27 |
| ABC News/Wash Post | 4/21 - 4/24 | 1072 A | 50 | 48 | +2 |
| R2000/Daily Kos (D) | 4/20 - 4/23 | 2400 A | 43 | 53 | -10 |
| POS (R) | 4/19 - 4/21 | 800 LV | 40 | 56 | -16 |
| Associated Press-GfK | 4/16 - 4/20 | 1000 A | 48 | 44 | +4 |
| Rasmussen Reports | 4/13 - 4/19 | 3500 LV | 37 | 57 | -20 |
| Ayres McHenry (R) | 4/13 - 4/16 | 1000 RV | 40 | 50 | -10 |
| National Journal/FD | 4/8 - 4/14 | 1200 A | 47 | 41 | +6 |
| R2000/Daily Kos (D) | 4/5 - 4/9 | 2400 A | 43 | 55 | -12 |
| Ipsos/McClatchy | 4/2 - 4/6 | 1138 A | 45 | 48 | -3 |
| CBS News/NY Times | 4/1 - 4/5 | 998 A | 39 | 53 | -14 |
| Newsweek | 4/1 - 4/2 | 1003 A | 22 | 69 | -47 |
| Pew Research | 3/31 - 4/6 | 1506 A | 23 | 70 | -47 |
| R2000/Daily Kos (D) | 3/30 - 4/2 | 2400 A | 42 | 56 | -14 |
| Diageo/Hotline | 3/26 - 3/29 | 800 RV | 39 | 49 | -10 |
| ABC News/Wash Post | 3/26 - 3/29 | 1000 A | 42 | 57 | -15 |
| Democracy Corps (D) | 3/25 - 3/29 | 1000 LV | 40 | 50 | -10 |
| Quinnipiac | 3/24 - 3/30 | 2326 RV | 30 | 68 | -38 |
| R2000/Daily Kos (D) | 3/23 - 3/26 | 2400 A | 39 | 59 | -20 |
| R2000/Daily Kos (D) | 3/16 - 3/19 | 2400 A | 38 | 60 | -22 |
| CBS News | 3/12 - 3/16 | 1142 A | 35 | 57 | -22 |
| NPR - POS/GQR | 3/10 - 3/14 | 800 LV | 31 | 63 | -32 |
| R2000/Daily Kos (D) | 3/8 - 3/12 | 2400 A | 37 | 60 | -23 |
| Ipsos/McClatchy | 3/5 - 3/9 | 1070 A | 44 | 48 | -4 |
| Democracy Corps (D) | 3/4 - 3/8 | 830 LV | 32 | 56 | -24 |
| Diageo/Hotline | 2/28 - 3/2 | 80 RV | 32 | 55 | -23 |
| NBC News/Wall St. Jrnl | 2/26 - 3/1 | 1007 A | 41 | 44 | -3 |
| R2000/Daily Kos (D) | 2/23 - 2/26 | 2400 A | 39 | 58 | -19 |
| ABC News/Wash Post | 2/19 - 2/22 | 1001 A | 31 | 67 | -36 |
| Associated Press/GfK | 2/12 - 2/17 | 1001 A | 40 | 49 | -9 |
| R2000/Daily Kos (D) | 2/9 - 2/12 | 2400 A | 35 | 62 | -27 |
| Democracy Corps (D) | 2/9 - 2/10 | 1000 LV | 28 | 61 | -33 |
| Ipsos/McClatchy | 2/6 - 2/9 | 1042 A | 42 | 50 | -8 |
| Rasmussen Reports | 2/2 - 2/8 | 3500 LV | 26 | 66 | -40 |
| CBS News | 2/2 - 2/4 | 864 A | 23 | 68 | -45 |
| R2000/Daily Kos (D) | 1/26 - 1/29 | 2400 A | 33 | 60 | -27 |
| Democracy Corps (D) | 1/26 - 1/29 | 1000 LV | 27 | 65 | -38 |
| Diageo/Hotline | 1/21 - 1/24 | 800 RV | 31 | 52 | -21 |
| R2000/Daily Kos (D) | 1/19 - 1/22 | 2400 A | 34 | 58 | -24 |
| Newsweek | 1/14 - 1/15 | 1200 A | 20 | 72 | -52 |
| ABC News/Wash Post | 1/13 - 1/16 | 1079 A | 19 | 78 | -59 |
| FOX News | 1/13 - 1/14 | 900 RV | 20 | 79 | -59 |
| CBS News/NY Times | 1/11 - 1/15 | 1112 A | 15 | 79 | -64 |
| Associated Press-GfK | 1/9 - 1/14 | 1001 A | 35 | 54 | -19 |
| NBC News/Wall St. Jrnl | 1/9 - 1/12 | 1007 A | 26 | 59 | -33 |
| Pew Research | 1/7 - 1/11 | 1503 A | 20 | 73 | -53 |
| Harris | 1/7 - 1/11 | 1019 A | 19 | 72 | -53 |
| LA Times/Bloomberg | 12/6 - 12/8 | 1000 A | 23 | 64 | -41 |
| NBC News/Wall St. Jrnl | 12/5 - 12/8 | 1009 A | 26 | 60 | -34 |
| CBS News | 12/4 - 12/8 | 1390 A | 12 | 83 | -71 |
| Associated Press-GfK | 12/3 - 12/8 | 1000 A | 32 | 60 | -28 |
| USA Today/Gallup | 11/7 - 11/9 | -- | 13 | 84 | -71 |
| Associated Press-GfK | 11/6 - 11/10 | -- | 36 | 56 | -20 |
| Diageo/Hotline | 11/6 - 11/9 | -- | 30 | 59 | -29 |
| Ipsos/McClatchy | 11/6 - 11/9 | -- | 32 | 64 | -32 |
| NBC News/Wall St. Jrnl | 11/1 - 11/2 | 1011 LV | 11 | 76 | -65 |
| CBS News/NY Times | 10/25 - 10/29 | 1440 A | 11 | 85 | -74 |
| CBS News/NY Times | 10/19 - 10/22 | -- | 11 | 85 | -74 |
| NBC News/Wall St. Jrnl | 10/17 - 10/20 | 1159 RV | 12 | 78 | -66 |
| Hotline/FD | 10/11 - 10/13 | 909 LV | 9 | 85 | -76 |
| CBS News/NY Times | 10/10 - 10/13 | 1070 A | 7 | 89 | -82 |
| LA Times/Bloomberg | 10/10 - 10/13 | -- | 10 | 84 | -74 |
| USA Today/Gallup | 10/10 - 10/12 | 1269 A | 7 | 91 | -84 |
| Pew Research | 10/9 - 10/12 | 1485 RV | 11 | 86 | -75 |
| ABC News/Wash Post | 10/8 - 10/11 | 945 RV | 8 | 90 | -82 |
| Newsweek | 10/8 - 10/9 | 1035 RV | 10 | 86 | -76 |
| NBC News/Wall St. Jrnl | 10/4 - 10/5 | 658 RV | 12 | 77 | -65 |
| Time | 10/3 - 10/6 | 1053 LV | 12 | 84 | -72 |
| Democracy Corps (D) | 10/1 - 10/5 | 1000 LV | 13 | 81 | -68 |
| Democracy Corps (D) | 9/28 - 9/30 | 1000 LV | 12 | 80 | -68 |
| NBC News/Wall St. Jrnl | 9/19 - 9/22 | 1085 RV | 16 | 73 | -57 |
| LA Times/Bloomberg | 9/19 - 9/22 | 1428 A | 13 | 79 | -66 |
| CBS News/NY Times | 9/12 - 9/16 | 1133 A | 14 | 81 | -67 |
| Democracy Corps (D) | 9/8 - 9/10 | 1000 LV | 22 | 70 | -48 |
| Associated Press-GfK | 9/5 - 9/10 | 812 LV | 26 | 71 | -45 |
| USA Today/Gallup | 9/5 - 9/7 | 1022 A | 20 | 79 | -59 |
| Hotline/FD | 8/29 - 8/31 | 805 RV | 21 | 70 | -49 |
| USA Today/Gallup | 8/21 - 8/23 | 1023 A | 18 | 81 | -63 |
| ABC News/Wash Post | 8/19 - 8/22 | 1108 A | 19 | 78 | -59 |
| NBC News/Wall St. Jrnl | 8/15 - 8/18 | 1005 RV | 18 | 67 | -49 |
| LA Times/Bloomberg | 8/15 - 8/18 | 1375 A | 18 | 76 | -58 |
| Gallup | 8/7 - 8/10 | 1009 A | 17 | 80 | -63 |
| AP-Ipsos | 7/31 - 8/4 | 1002 A | 18 | 76 | -58 |
| Democracy Corps (D) | 7/21 - 7/24 | 1004 LV | 16 | 78 | -62 |
| AP-Ipsos | 7/10 - 7/14 | 1000 A | 16 | 77 | -61 |
| Quinnipiac | 7/8 - 7/13 | 1725 LV | 17 | 82 | -65 |
| CBS News/NY Times | 7/7 - 7/14 | 1796 A | 14 | 81 | -67 |
| Democracy Corps (D) | 6/22 - 6/25 | 2000 LV | 15 | 78 | -63 |
| LA Times/Bloomberg | 6/19 - 6/23 | 1115 RV | 13 | 78 | -65 |
| Pew Research | 6/18 - 6/29 | 2004 A | 19 | 76 | -57 |
| Newsweek | 6/18 - 6/19 | 896 RV | 14 | 80 | -66 |
| AP-Ipsos | 6/12 - 6/16 | 1000 A | 17 | 76 | -59 |
| ABC News/Wash Post | 6/12 - 6/15 | 1125 A | 14 | 84 | -70 |
| Gallup | 6/9 - 6/12 | 822 A | 14 | 84 | -70 |
| NBC/WSJ | 6/6 - 6/9 | 1071 RV | 16 | 71 | -55 |
| Pew Research | 5/21 - 5/25 | 1505 A | 18 | 76 | -58 |
| Democracy Corps (D) | 5/13 - 5/15 | 1014 LV | 17 | 75 | -58 |
| ABC News/Wash Post | 5/8 - 5/11 | 1122 A | 16 | 82 | -66 |
| Gallup | 5/8 - 5/11 | 1017 A | 14 | 85 | -71 |
| POS/GQR | 5/7 - 5/8 | 800 LV | 16 | 80 | -64 |
| LA Times/Bloomberg | 5/1 - 5/8 | 1986 RV | 15 | 77 | -62 |
| NBC/WSJ | 4/25 - 4/28 | 1006 RV | 15 | 73 | -58 |
| AP-Ipsos | 4/7 - 4/9 | -- | 24 | 71 | -47 |
| Gallup | 4/6 - 4/9 | 1021 A | 15 | 83 | -68 |
| CBS News/NY Times | 3/28 - 4/2 | -- | 14 | 81 | -67 |
| Pew Research | 3/19 - 3/22 | -- | 22 | 72 | -50 |
| NBC/WSJ | 3/7 - 3/10 | -- | 20 | 66 | -46 |
| Gallup | 3/6 - 3/9 | -- | 19 | 80 | -61 |
| AP-Ipsos | 3/3 - 3/5 | -- | 22 | 73 | -51 |
| LA Times/Bloomberg | 2/21 - 2/25 | -- | 26 | 63 | -37 |
| Hotline/FD | 2/14 - 2/17 | -- | 21 | 69 | -48 |
| AP-Ipsos | 2/4 - 2/6 | -- | 25 | 71 | -46 |
| Pew Research | 1/30 - 2/2 | -- | 24 | 70 | -46 |
| NPR | 1/29 - 1/31 | -- | 23 | 68 | -45 |
| NBC/WSJ | 1/20 - 1/22 | -- | 19 | 68 | -49 |
| LA Times/Bloomberg | 1/18 - 1/22 | -- | 25 | 63 | -38 |
| Hotline/FD | 1/10 - 1/12 | -- | 22 | 68 | -46 |
| CBS News/NY Times | 1/9 - 1/12 | -- | 19 | 75 | -56 |
| ABC News/Wash Post | 1/9 - 1/12 | -- | 21 | 77 | -56 |
| AP-Ipsos | 1/7 - 1/9 | -- | 27 | 68 | -41 |
| Gallup | 1/4 - 1/6 | -- | 24 | 73 | -49 |
| Hotline/FD | 12/10 - 12/14 | -- | 21 | 67 | -46 |
| Battleground | 12/9 - 12/12 | -- | 22 | 71 | -49 |
| Gallup | 12/6 - 12/9 | -- | 27 | 70 | -43 |
| AP-Ipsos | 12/3 - 12/5 | -- | 30 | 66 | -36 |
| AP-Ipsos | 11/5 - 11/7 | -- | 25 | 70 | -45 |
| ABC News/Wash Post | 10/29 - 11/1 | -- | 24 | 74 | -50 |
| Quinnipiac | 10/23 - 10/29 | -- | 20 | 72 | -52 |
| LA Times/Bloomberg | 10/19 - 10/22 | -- | 23 | 66 | -43 |
| Pew Research | 10/17 - 10/23 | -- | 28 | 66 | -38 |
| Gallup | 10/4 - 10/7 | -- | 25 | 73 | -48 |
| NPR | 10/4 - 10/7 | -- | 23 | 68 | -45 |
| AP-Ipsos | 10/1 - 10/3 | -- | 26 | 70 | -44 |
| AP-Ipsos | 9/10 - 9/12 | -- | 28 | 67 | -39 |
| NBC/WSJ | 9/7 - 9/10 | -- | 25 | 63 | -38 |
| CBS News/NY Times | 9/4 - 9/8 | -- | 23 | 71 | -48 |
| AP-Ipsos | 8/6 - 8/8 | -- | 27 | 68 | -41 |
| Newsweek | 8/1 - 8/2 | -- | 24 | 69 | -45 |
| NBC/WSJ | 7/27 - 7/30 | -- | 19 | 67 | -48 |
| Hotline/FD | 7/19 - 7/22 | -- | 21 | 68 | -47 |
| Battleground | 7/15 - 7/18 | -- | 21 | 70 | -49 |
| Gallup | 7/12 - 7/15 | -- | 27 | 71 | -44 |
| Newsweek | 7/11 - 7/12 | -- | 27 | 68 | -41 |
| AP-Ipsos | 7/9 - 7/11 | -- | 26 | 69 | -43 |
| Newsweek | 7/2 - 7/3 | -- | 24 | 67 | -43 |
| CBS News | 6/26 - 6/28 | -- | 19 | 75 | -56 |
| Gallup | 6/11 - 6/14 | -- | 24 | 74 | -50 |
| NBC/WSJ | 6/8 - 6/11 | -- | 19 | 68 | -49 |
| LA Times/Bloomberg | 6/7 - 6/10 | -- | 24 | 69 | -45 |
| Quinnipiac | 6/5 - 6/11 | -- | 18 | 74 | -56 |
| AP-Ipsos | 6/4 - 6/6 | -- | 21 | 75 | -54 |
| CBS News/NY Times | 5/18 - 5/23 | -- | 24 | 72 | -48 |
| Hotline/FD | 5/16 - 5/20 | -- | 18 | 71 | -53 |
| Gallup | 5/10 - 5/13 | -- | 25 | 73 | -48 |
| AP-Ipsos | 5/7 - 5/9 | -- | 25 | 71 | -46 |
| Newsweek | 5/2 - 5/3 | -- | 25 | 71 | -46 |
| Hotline/FD | 4/26 - 4/30 | -- | 20 | 67 | -47 |
| NBC/WSJ | 4/20 - 4/23 | -- | 22 | 66 | -44 |
| LA Times/Bloomberg | 4/5 - 4/9 | -- | 25 | 66 | -41 |
| USA Today/Gallup | 4/2 - 4/5 | -- | 33 | 65 | -32 |
| AP-Ipsos | 4/2 - 4/4 | -- | 27 | 70 | -43 |
| Hotline/FD | 3/29 - 4/1 | -- | 23 | 64 | -41 |
| Newsweek | 3/14 - 3/16 | -- | 28 | 64 | -36 |
| CBS News/NY Times | 3/7 - 3/11 | -- | 25 | 69 | -44 |
| AP-Ipsos | 3/5 - 3/7 | -- | 29 | 68 | -39 |
| NBC/WSJ | 3/2 - 3/5 | -- | 25 | 58 | -33 |
| CBS News/NY Times | 2/23 - 2/27 | -- | 23 | 68 | -45 |
| Hotline/FD | 2/21 - 2/24 | -- | 23 | 64 | -41 |
| WNBC/Marist | 2/12 - 2/15 | -- | 29 | 63 | -34 |
| AP-Ipsos | 2/5 - 2/7 | -- | 28 | 68 | -40 |
| Gallup | 2/1 - 2/4 | -- | 34 | 64 | -30 |
| Newsweek | 1/24 - 1/25 | -- | 30 | 61 | -31 |
| Newsweek | 1/17 - 1/18 | -- | 30 | 62 | -32 |
| ABC News/Wash Post | 1/16 - 1/19 | -- | 26 | 71 | -45 |
| AP-Ipsos | 1/16 - 1/18 | -- | 29 | 66 | -37 |
| USA Today/Gallup | 1/15 - 1/18 | -- | 35 | 63 | -28 |
| LA Times/Bloomberg | 1/13 - 1/16 | -- | 31 | 61 | -30 |
| Hotline/FD | 1/11 - 1/14 | -- | 26 | 61 | -35 |
| Pew Research | 1/10 - 1/15 | -- | 32 | 61 | -29 |
| Battleground | 1/8 - 1/11 | -- | 25 | 64 | -39 |
| AP-Ipsos | 1/8 - 1/10 | -- | 28 | 67 | -39 |
| NBC/WSJ | 12/8 - 12/11 | -- | 28 | 58 | -30 |
| LA Times/Bloomberg | 12/8 - 12/11 | -- | 28 | 62 | -34 |
| Newsweek | 12/6 - 12/7 | -- | 31 | 59 | -28 |
| AP-Ipsos | 12/4 - 12/6 | -- | 28 | 68 | -40 |
| AP-Ipsos | 11/13 - 11/15 | -- | 34 | 61 | -27 |
| Pew Research | 11/9 - 11/12 | -- | 28 | 64 | -36 |
| Newsweek | 11/9 - 11/10 | -- | 29 | 63 | -34 |
| Hotline/FD | 11/8 - 11/12 | -- | 32 | 52 | -20 |
| USA Today/Gallup | 11/2 - 11/5 | -- | 35 | 61 | -26 |
| Newsweek | 11/2 - 11/3 | -- | 29 | 64 | -35 |
| ABC News/Wash Post | 11/1 - 11/4 | -- | 39 | 59 | -20 |
| Time | 11/1 - 11/3 | -- | 32 | 62 | -30 |
| CBS News/NY Times | 10/27 - 10/31 | -- | 29 | 64 | -35 |
| AP-Ipsos | 10/20 - 10/25 | -- | 29 | 66 | -37 |
| ABC News/Wash Post | 10/19 - 10/22 | -- | 32 | 66 | -34 |
| Newsweek | 10/19 - 10/20 | -- | 25 | 67 | -42 |
| Gallup | 10/9 - 10/12 | -- | 30 | 68 | -38 |
| Harris | 10/6 - 10/9 | -- | 29 | 62 | -33 |
| ABC News/Wash Post | 10/5 - 10/8 | -- | 32 | 66 | -34 |
| Newsweek | 10/5 - 10/6 | -- | 25 | 67 | -42 |
| AP-Ipsos | 10/2 - 10/4 | -- | 31 | 64 | -33 |
| Battleground | 9/24 - 9/27 | -- | 31 | 62 | -31 |
| Hotline/FD | 9/24 - 9/26 | -- | 29 | 66 | -37 |
| Pew Research | 9/21 - 10/4 | -- | 30 | 63 | -33 |
| WNBC/Marist | 9/18 - 9/20 | -- | 33 | 58 | -25 |
| LA Times/Bloomberg | 9/16 - 9/19 | -- | 31 | 61 | -30 |
| AP-Ipsos | 9/11 - 9/13 | -- | 33 | 63 | -30 |
| NBC/WSJ | 9/8 - 9/11 | -- | 31 | 54 | -23 |
| Gallup | 9/7 - 9/10 | -- | 32 | 67 | -35 |
| CNN | 8/30 - 9/2 | -- | 21 | 76 | -55 |
| Cook/RT Strategies | 8/25 - 8/27 | -- | 28 | 64 | -36 |
| Newsweek | 8/24 - 8/25 | -- | 28 | 65 | -37 |
| Hotline/FD | 8/17 - 8/20 | -- | 18 | 72 | -54 |
| Newsweek | 8/10 - 8/11 | -- | 26 | 67 | -41 |
| Gallup | 8/7 - 8/10 | -- | 28 | 69 | -41 |
| AP-Ipsos | 8/7 - 8/9 | -- | 26 | 71 | -45 |
| LA Times/Bloomberg | 7/28 - 8/1 | -- | 31 | 63 | -32 |
| Cook/RT Strategies | 7/28 - 7/30 | -- | 27 | 63 | -36 |
| CBS News/NY Times | 7/21 - 7/25 | -- | 28 | 66 | -38 |
| NBC/WSJ | 7/21 - 7/24 | -- | 27 | 60 | -33 |
| USA Today/Gallup | 7/21 - 7/23 | -- | 33 | 65 | -32 |
| Hotline/FD | 7/20 - 7/23 | -- | 25 | 60 | -35 |
| Pew Research | 7/6 - 7/19 | -- | 30 | 65 | -35 |
| Time | 6/27 - 6/29 | -- | 28 | 66 | -38 |
| Democracy Corps (D) | 6/25 - 6/29 | -- | 30 | 63 | -33 |
| LA Times/Bloomberg | 6/24 - 6/27 | -- | 30 | 63 | -33 |
| Hotline/FD | 6/21 - 6/25 | -- | 30 | 60 | -30 |
| NBC/WSJ | 6/9 - 6/12 | -- | 27 | 61 | -34 |
| AP-Ipsos | 6/5 - 6/7 | -- | 26 | 70 | -44 |
| Harris | 6/2 - 6/5 | -- | 28 | 64 | -36 |
| Cook/RT Strategies | 6/1 - 6/4 | -- | 27 | 61 | -34 |
| Gallup | 6/1 - 6/4 | -- | 30 | 67 | -37 |
| Democracy Corps (D) | 5/18 - 5/24 | -- | 29 | 63 | -34 |
| ABC News/Wash Post | 5/11 - 5/15 | -- | 29 | 69 | -40 |
| Newsweek | 5/11 - 5/12 | -- | 23 | 71 | -48 |
| Gallup | 5/8 - 5/11 | -- | 25 | 72 | -47 |
| AP-Ipsos | 5/1 - 5/3 | -- | 23 | 73 | -50 |
| CBS News | 4/28 - 4/30 | -- | 24 | 71 | -47 |
| NBC/WSJ | 4/21 - 4/24 | -- | 24 | 67 | -43 |
| Gallup | 4/10 - 4/13 | -- | 27 | 71 | -44 |
| LA Times/Bloomberg | 4/8 - 4/11 | -- | 26 | 65 | -39 |
| Harris | 4/7 - 4/10 | -- | 27 | 65 | -38 |
| AP-Ipsos | 4/3 - 4/5 | -- | 28 | 69 | -41 |
| Time | 3/22 - 3/23 | -- | 34 | 60 | -26 |
| Democracy Corps (D) | 3/16 - 3/20 | -- | 30 | 63 | -33 |
| Newsweek | 3/16 - 3/17 | -- | 30 | 64 | -34 |
| Gallup | 3/13 - 3/16 | -- | 29 | 68 | -39 |
| NPR | 3/12 - 3/14 | -- | 30 | 64 | -34 |
| NBC/WSJ | 3/10 - 3/13 | -- | 26 | 62 | -36 |
| AP-Ipsos | 3/6 - 3/8 | -- | 30 | 67 | -37 |
| LA Times/Bloomberg | 2/25 - 3/1 | -- | 30 | 64 | -34 |
| Democracy Corps (D) | 2/23 - 2/27 | -- | 32 | 62 | -30 |
| Cook/RT Strategies | 2/23 - 2/26 | -- | 35 | 59 | -24 |
| Hotline/FD | 2/16 - 2/19 | -- | 29 | 57 | -28 |
| WNBC/Marist | 2/13 - 2/15 | -- | 34 | 61 | -27 |
| Battleground | 2/12 - 2/15 | -- | 31 | 60 | -29 |
| Gallup | 2/6 - 2/9 | -- | 35 | 62 | -27 |
| AP-Ipsos | 2/6 - 2/8 | -- | 36 | 61 | -25 |
| NBC/WSJ | 1/26 - 1/29 | -- | 31 | 57 | -26 |
| Time | 1/24 - 1/26 | -- | 33 | 63 | -30 |
| LA Times/Bloomberg | 1/22 - 1/25 | -- | 32 | 61 | -29 |
| Cook/RT Strategies | 1/22 - 1/25 | -- | 38 | 60 | -22 |
| Hotline/FD | 1/12 - 1/15 | -- | 33 | 54 | -21 |
| CNN/USA Today/Gallup | 1/9 - 1/12 | -- | 36 | 61 | -25 |
| Harris | 1/6 - 1/9 | -- | 33 | 54 | -21 |
| CBS News | 1/5 - 1/8 | -- | 31 | 62 | -31 |
| AP-Ipsos | 1/3 - 1/5 | -- | 32 | 65 | -33 |
| Hotline/FD | 12/12 - 12/13 | -- | 32 | 54 | -22 |
| Cook/RT Strategies | 12/8 - 12/11 | -- | 36 | 61 | -25 |
| AP-Ipsos | 12/5 - 12/7 | -- | 33 | 64 | -31 |
| CBS News/NY Times | 12/2 - 12/6 | -- | 31 | 60 | -29 |
| Time | 11/29 - 12/1 | -- | 34 | 60 | -26 |
| Gallup | 11/17 - 11/20 | -- | 36 | 62 | -26 |
| Democracy Corps (D) | 11/16 - 11/20 | -- | 31 | 62 | -31 |
| Newsweek | 11/10 - 11/11 | -- | 26 | 68 | -42 |
| AP-Ipsos | 11/7 - 11/9 | -- | 32 | 64 | -32 |
| NBC/WSJ | 11/4 - 11/7 | -- | 26 | 63 | -37 |
| Democracy Corps (D) | 11/2 - 11/6 | -- | 31 | 62 | -31 |
| CNN/USA Today/Gallup | 10/13 - 10/16 | -- | 31 | 68 | -37 |
| Hotline/FD | 10/12 - 10/16 | -- | 26 | 60 | -34 |
| WNBC/Marist | 10/12 - 10/13 | -- | 31 | 62 | -31 |
| GW/Battleground | 10/9 - 10/12 | -- | 27 | 66 | -39 |
| NBC/WSJ | 10/8 - 10/10 | -- | 28 | 59 | -31 |
| Democracy Corps (D) | 10/5 - 10/10 | -- | 34 | 58 | -24 |
| AP-Ipsos | 10/3 - 10/5 | -- | 28 | 66 | -38 |
| CBS News | 10/3 - 10/5 | -- | 26 | 69 | -43 |
| Democracy Corps (D) | 9/19 - 9/21 | -- | 33 | 61 | -28 |
| Winston Group (R) | 9/14 - 9/15 | -- | 35 | 58 | -23 |
| CBS News/NY Times | 9/9 - 9/13 | -- | 31 | 63 | -32 |
| NBC/WSJ | 9/9 - 9/12 | -- | 32 | 57 | -25 |
| Newsweek | 9/8 - 9/9 | -- | 28 | 66 | -38 |
| AP-Ipsos | 9/6 - 9/8 | -- | 32 | 65 | -33 |
| CNN/USA Today/Gallup | 8/8 - 8/11 | -- | 37 | 60 | -23 |
| Newsweek | 8/2 - 8/4 | -- | 36 | 54 | -18 |
| AP-Ipsos | 8/1 - 8/3 | -- | 37 | 59 | -22 |
| CBS News | 7/29 - 8/2 | -- | 37 | 57 | -20 |
| CNN/USA Today/Gallup | 7/25 - 7/28 | -- | 40 | 58 | -18 |
| Democracy Corps (D) | 7/19 - 7/25 | -- | 37 | 56 | -19 |
| Winston Group (R) | 7/11 - 7/12 | -- | 39 | 53 | -14 |
| NBC/WSJ | 7/8 - 7/11 | -- | 34 | 52 | -18 |
| Westhill Partners/Hotline | 7/7 - 7/10 | -- | 31 | 54 | -23 |
| Democracy Corps (D) | 6/20 - 6/26 | -- | 36 | 56 | -20 |
| Zogby | 6/20 - 6/22 | -- | 43 | 53 | -10 |
| Gallup | 6/16 - 6/19 | -- | 42 | 56 | -14 |
