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All U.S. congressional districts, including the 18th Congressional District of Illinois, held elections in 2018.
Heading into the election the incumbent was Darin LaHood (R). LaHood was first elected in 2015, in a special election to replace Aaron Schock.
Illinois' 18th Congressional District covers central and western Illinois, including Adams, Brown, Cass, Hancock, Logan, Marshall, Mason, McDonough, Menard, Morgan Pike, Schuyler, Scott, and Woodford counties as well as portions of McLean, Peoria, Sangamon, Stark, and Tazewell counties.
The chart below contains data from financial reports submitted to the Federal Election Commission.
| Name | Party | Receipts* | Disbursements** | Cash on hand | Date |
|---|---|---|---|---|---|
| Darin LaHood | Republican Party | $2,503,515 | $1,233,388 | $1,591,585 | As of December 31, 2018 |
| Junius Rodriguez | Democratic Party | $78,311 | $73,406 | $4,905 | As of December 31, 2018 |
|
Source: Federal Elections Commission, "Campaign finance data," 2018.
* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee." |
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This section provides an overview of federal and state elections in Illinois from 2000 to 2016. All data comes from the Illinois State Board of Elections.
This chart shows the results of the presidential election in Illinois every year from 2000 to 2016.
Election results (President of the United States), Illinois 2000-2016
| Year | First-place candidate | First-place candidate votes (%) | Second-place candidate | Second-place candidate votes (%) | Margin of victory (%) |
|---|---|---|---|---|---|
| 2016 |  Hillary Clinton |
55.8% |  Donald Trump |
38.8% | 17.0% |
| 2012 | Barack Obama |
57.6% | Mitt Romney |
40.7% | 16.9% |
| 2008 | Barack Obama |
61.9% | John McCain |
36.8% | 25.1% |
| 2004 | John Kerry |
54.8% | George W. Bush |
44.5% | 10.3% |
| 2000 | Al Gore |
54.6% | George W. Bush |
42.6% | 12.0% |
This chart shows the results of U.S. Senate races in Illinois from 2000 to 2016. Every state has two Senate seats, and each seat goes up for election every six years. The terms of the seats are staggered so that roughly one-third of the seats are up every two years.
Election results (U.S. Senator), Illinois 2000-2016
| Year | First-place candidate | First-place candidate votes (%) | Second-place candidate | Second-place candidate votes (%) | Margin of victory (%) |
|---|---|---|---|---|---|
| 2016 | Tammy Duckworth |
54.9% | Mark Kirk |
39.8% | 15.1% |
| 2014 | Dick Durbin |
53.5% | Jim Oberweis |
42.7% | 10.8% |
| 2010 | Mark Kirk |
48.0% | Alexander Giannoulias |
46.4% | 1.6% |
| 2008 | Dick Durbin |
67.8% | Steve Sauerberg |
28.5% | 39.3% |
| 2004 | Barack Obama |
70.0% | Alan Keyes |
27.0% | 43.0% |
| 2002 | Dick Durbin |
60.3% | Jim Durkin |
38.0% | 22.3% |
This chart shows the results of the four gubernatorial elections held between 2000 and 2016. Gubernatorial elections are held every four years in Illinois.
Election results (Governor), Illinois 2000-2016
| Year | First-place candidate | First-place candidate votes (%) | Second-place candidate | Second-place candidate votes (%) | Margin of victory (%) |
|---|---|---|---|---|---|
| 2014 | Bruce Rauner |
50.3% | Pat Quinn |
46.3% | 4.0% |
| 2010 | Pat Quinn |
46.8% | Bill Brady |
45.9% | 0.9% |
| 2006 | Rod Blagojevich |
49.8% | Judy Baar Topinka |
39.3% | 10.5% |
| 2002 | Rod Blagojevich |
52.2% | Jim Ryan |
45.1% | 7.1% |
This chart shows the number of Democrats and Republicans who were elected to represent Illinois in the U.S. House from 2000 to 2016. Elections for U.S. House seats are held every two years.
Congressional delegation, Illinois 2000-2016
| Year | Republicans | Republicans (%) | Democrats | Democrats (%) | Balance of power |
|---|---|---|---|---|---|
| 2016 | 7 |
38.9% | 11 |
61.1% | D+4 |
| 2014 | 8 |
44.4% | 10 |
55.6% | D+2 |
| 2012 | 6 |
33.3% | 12 |
66.7% | D+6 |
| 2010 | 11 |
57.9% | 8 |
42.1% | R+3 |
| 2008 | 7 |
36.8% | 12 |
63.2% | D+5 |
| 2006 | 9 |
47.4% | 10 |
52.6% | D+1 |
| 2004 | 9 |
47.4% | 10 |
52.6% | D+1 |
| 2002 | 10 |
52.6% | 9 |
47.4% | R+1 |
| 2000 | 10 |
50.0% | 10 |
50.0% | Even |
A state government trifecta occurs when one party controls both chambers of the state legislature and the governor's office.
Illinois Party Control: 1992-2019
13 years of Democratic trifectas • Two years of Republican trifectas
| Year | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Governor | R | R | R | R | R | R | R | R | R | R | R | D | D | D | D | D | D | D | D | D | D | D | D | R | R | R | R | D |
| Senate | D | R | R | R | R | R | R | R | R | R | R | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D |
| House | D | D | D | R | R | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D |
Demographic data for Illinois
| Illinois | U.S. | |
|---|---|---|
| Total population: | 12,839,047 | 316,515,021 |
| Land area (sq mi): | 55,519 | 3,531,905 |
| Gender | ||
| Female: | 50.9% | 50.8% |
| Race and ethnicity** | ||
| White: | 72.3% | 73.6% |
| Black/African American: | 14.3% | 12.6% |
| Asian: | 5% | 5.1% |
| Native American: | 0.2% | 0.8% |
| Pacific Islander: | 0% | 0.2% |
| Two or more: | 2.2% | 3% |
| Hispanic/Latino: | 16.5% | 17.1% |
| Education | ||
| High school graduation rate: | 87.9% | 86.7% |
| College graduation rate: | 32.3% | 29.8% |
| Income | ||
| Median household income: | $57,574 | $53,889 |
| Persons below poverty level: | 16.8% | 11.3% |
| Source: U.S. Census Bureau, "American Community Survey" (5-year estimates 2010-2015) for more information on the 2020 census and here for more on its impact on the redistricting process in Illinois. | ||
As of July 2016, Illinois' three largest cities were Chicago (pop. est. 2.7 million), Aurora (pop. est. 200,000), and Joliet (pop. est. 150,000).
