| Poll | Date | Sample | Sanders | Buttigieg | Klobuchar | Warren | Biden | Yang | Gabbard | Steyer | Patrick | Bennet | Spread |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PowerVoter Average | 2/6 - 2/9 | -- | 28.7 | 21.3 | 11.7 | 11.0 | 11.0 | 3.7 | 3.3 | 1.7 | 1.0 | 0.3 | Sanders +7.4 |
| WHDH/Emerson | 2/8 - 2/9 | 500 LV | 30 | 23 | 14 | 11 | 10 | 4 | 2 | 2 | 1 | 1 | Sanders +7 |
| Boston Globe/Suffolk | 2/8 - 2/9 | 500 LV | 27 | 19 | 14 | 12 | 12 | 3 | 3 | 2 | 1 | 0 | Sanders +8 |
| WHDH/Emerson | 2/7 - 2/8 | 500 LV | 30 | 20 | 13 | 12 | 11 | 4 | 3 | 2 | 1 | 0 | Sanders +10 |
| Boston Globe/Suffolk | 2/7 - 2/8 | 500 LV | 24 | 22 | 9 | 13 | 10 | 3 | 2 | 2 | 0 | 0 | Sanders +2 |
| CNN/UNH | 2/6 - 2/9 | 365 LV | 29 | 22 | 7 | 10 | 11 | 4 | 5 | 1 | -- | 0 | Sanders +7 |
| WHDH/Emerson | 2/6 - 2/7 | 500 LV | 31 | 24 | 9 | 11 | 11 | 3 | 5 | 2 | 0 | 0 | Sanders +7 |
| Boston Globe/Suffolk | 2/6 - 2/7 | 500 LV | 24 | 25 | 6 | 14 | 11 | 3 | 2 | 2 | 0 | 1 | Buttigieg +1 |
| CBS News/YouGov | 2/5 - 2/8 | 848 LV | 29 | 25 | 10 | 17 | 12 | 1 | 2 | 1 | 1 | 0 | Sanders +4 |
| CNN/UNH | 2/5 - 2/8 | 384 LV | 28 | 21 | 6 | 9 | 12 | 4 | 5 | 2 | 0 | 0 | Sanders +7 |
|
28.7
Sanders
|
21.3
Buttigieg
|
11.7
Klobuchar
|
11.0
Warren
|
11.0
Biden
|
3.7
Yang
|
3.3
Gabbard
|
1.7
Steyer
|
1.0
Patrick
|
0.3
Bennet
|
Harris
|
O'Rourke
|