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United States · Election results history · 2012 House · Illinois
Election 2012 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2012 US House elections in Illinois

Illinois elected 18 members of the House in 2012: Democrats won 12 seats and Republicans 6.

The closest was the 13th district, decided by 0.3 points: Rodney Davis (Republican) beat David M. Gill (Democrat), 46.5% to 46.2%, a margin of 0.3 points and 1,002 votes.

In the House vote by county, Republicans led in 91 of the 102 counties and Democrats in 11. The largest, Cook, cast 1,917,273 votes and went to the Democrat by 48.0 points. The closest was Calhoun, where 44 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Every district

DistrictDemocratVotesRepublicanVotesOthersMargin
1 Bobby L. Rush236,854 (73.8%) Donald E. Peloquin83,989 (26.2%) 1 D+47.6
2 Jesse L. Jackson, Jr.188,303 (63.3%) Brian Woodworth69,115 (23.2%) 40,294 D+40.0
3 Daniel Lipinski168,738 (68.5%) Richard L. Grabowski77,653 (31.5%) 7 D+37.0
4 Luis V. Gutierrez133,226 (83.0%) Hector Concepcion27,279 (17.0%) 4 D+66.0
5 Mike Quigley177,729 (65.7%) Dan Schmitt77,289 (28.6%) 15,359 D+37.2
6 Leslie Coolidge132,991 (40.8%) Peter J. Roskam193,138 (59.2%) R+18.4
7 Danny K. Davis242,439 (84.6%) Rita Zak31,466 (11.0%) 12,530 D+73.7
8 Tammy Duckworth123,206 (54.7%) Joe Walsh101,860 (45.3%) D+9.5
9 Janice D. Schakowsky194,869 (66.3%) Timothy C. Wolfe98,924 (33.7%) 14 D+32.7
10 Brad Schneider133,890 (50.6%) Robert J. Dold130,564 (49.4%) D+1.3
11 Bill Foster148,928 (58.6%) Judy Biggert105,348 (41.4%) 19 D+17.1
12 William L. Enyart157,000 (51.7%) Jason Plummer129,902 (42.7%) 17,047 D+8.9
13 David M. Gill136,032 (46.2%) Rodney Davis137,034 (46.5%) 21,319 R+0.3
14 Dennis Anderson124,351 (41.2%) Randy Hultgren177,603 (58.8%) R+17.6
15 Angela Michael94,162 (31.4%) John Shimkus205,775 (68.6%) R+37.2
16 Wanda Rohl112,301 (38.2%) Adam Kinzinger181,789 (61.8%) R+23.6
17 Cheri Bustos153,519 (53.3%) Robert T. Schilling134,623 (46.7%) 19 D+6.6
18 Steve Waterworth85,164 (25.8%) Aaron Schock244,467 (74.2%) R+48.3

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Cook 1,389,789 72.5% 468,637 24.4% 58,847 1,917,273 D+48.0
DuPage 180,852 46.4% 207,747 53.3% 1,141 389,740 R+6.9
Lake 133,576 48.1% 144,084 51.9% 277,660 R+3.8
Will 130,070 49.0% 132,121 49.8% 3,075 265,266 R+0.8
Kane 81,574 46.4% 94,320 53.6% 175,894 R+7.2
McHenry 54,907 42.8% 73,276 57.2% 128,183 R+14.3
Madison 54,737 45.6% 58,604 48.8% 6,806 120,147 R+3.2
St. Clair 67,081 57.2% 45,496 38.8% 4,742 117,319 D+18.4
Winnebago 52,705 46.4% 60,799 53.6% 113,504 R+7.1
Sangamon 33,809 36.5% 55,405 59.9% 3,314 92,528 R+23.3
Peoria 32,583 42.1% 44,815 57.9% 4 77,402 R+15.8
Champaign 37,391 49.4% 34,551 45.7% 3,692 75,634 D+3.8
McLean 24,925 34.7% 45,911 64.0% 911 71,747 R+29.3
Rock Island 35,418 55.2% 28,789 44.8% 64,207 D+10.3
Tazewell 19,047 31.5% 41,408 68.5% 2 60,457 R+37.0
Macon 21,391 44.5% 23,723 49.4% 2,919 48,033 R+4.9
LaSalle 18,881 40.9% 27,275 59.1% 46,156 R+18.2
Kendall 20,927 45.8% 24,758 54.2% 45,685 R+8.4
Kankakee 11,828 26.7% 27,370 61.7% 5,165 44,363 R+35.0
DeKalb 18,644 47.1% 20,898 52.9% 39,542 R+5.7
Adams 7,181 24.0% 22,775 76.0% 29,956 R+52.1
Vermilion 12,714 43.3% 16,647 56.7% 29,361 R+13.4
Williamson 11,632 40.6% 14,981 52.3% 2,048 28,661 R+11.7
Whiteside 13,432 53.1% 11,884 46.9% 1 25,317 D+6.1
Henry 10,626 44.2% 13,403 55.8% 8 24,037 R+11.6
Jackson 12,594 53.4% 8,770 37.2% 2,200 23,564 D+16.2
Knox 12,102 52.8% 10,808 47.2% 22,910 D+5.6
Ogle 7,427 32.5% 15,399 67.5% 22,826 R+34.9
Grundy 7,898 38.1% 12,851 61.9% 20,749 R+23.9
Boone 8,324 40.2% 12,397 59.8% 20,721 R+19.7
Macoupin 9,187 44.8% 9,710 47.3% 1,624 20,521 R+2.5
Stephenson 9,189 44.9% 11,260 55.1% 1 20,450 R+10.1
Coles 8,598 42.1% 11,827 57.9% 20,425 R+15.8
Woodford 3,602 19.3% 15,036 80.7% 18,638 R+61.3
Franklin 8,176 46.6% 8,066 46.0% 1,298 17,540 D+0.6
Monroe 6,736 39.2% 9,766 56.9% 664 17,166 R+17.7
Effingham 3,553 21.7% 12,787 78.3% 16,340 R+56.5
Bureau 6,193 38.0% 10,089 62.0% 16,282 R+23.9
Clinton 4,186 25.8% 12,022 74.2% 16,208 R+48.3
Jefferson 6,507 40.8% 8,306 52.0% 1,149 15,962 R+11.3
Marion 5,053 32.4% 10,531 67.6% 15,584 R+35.2
Fulton 7,683 50.7% 7,475 49.3% 15,158 D+1.4
Lee 5,499 37.3% 9,258 62.7% 14,757 R+25.5
Christian 4,201 28.7% 9,529 65.1% 915 14,645 R+36.4
Livingston 3,611 24.8% 10,956 75.2% 14,567 R+50.4
Randolph 6,533 45.9% 7,084 49.8% 611 14,228 R+3.9
Morgan 3,566 25.8% 10,257 74.2% 13,823 R+48.4
Iroquois 2,587 20.7% 9,940 79.3% 12,527 R+58.7
McDonough 4,536 37.4% 7,578 62.6% 12,114 R+25.1
Logan 2,364 20.0% 9,478 80.0% 11,842 R+60.1
Montgomery 4,747 40.2% 6,123 51.8% 951 11,821 R+11.6
Jo Daviess 4,987 44.8% 6,157 55.2% 11,144 R+10.5
Saline 3,187 31.0% 7,107 69.0% 10,294 R+38.1
Shelby 3,038 29.8% 7,158 70.2% 10,196 R+40.4
Jersey 3,555 36.6% 5,306 54.6% 852 9,713 R+18.0
Perry 4,233 44.9% 4,673 49.5% 528 9,434 R+4.7
Fayette 2,494 28.1% 6,387 71.9% 8,881 R+43.8
Hancock 2,742 31.3% 6,023 68.7% 8,765 R+37.4
Piatt 2,744 31.9% 5,077 58.9% 793 8,614 R+27.1
Mercer 3,949 46.6% 4,521 53.4% 3 8,473 R+6.8
Crawford 3,171 38.0% 5,178 62.0% 8,349 R+24.0
Union 3,429 42.5% 4,075 50.5% 565 8,069 R+8.0
Warren 3,522 45.9% 4,148 54.1% 7,670 R+8.2
Clark 2,788 36.6% 4,839 63.4% 7,627 R+26.9
Douglas 2,203 29.0% 5,405 71.0% 7,608 R+42.1
Wayne 1,429 19.0% 6,103 81.0% 7,532 R+62.1
Edgar 2,647 35.6% 4,786 64.4% 7,433 R+28.8
Washington 1,896 26.1% 5,370 73.9% 7,266 R+47.8
De Witt 2,619 36.1% 4,039 55.7% 593 7,251 R+19.6
Carroll 3,152 43.7% 4,059 56.3% 7,211 R+12.6
Pike 1,656 23.1% 5,522 76.9% 7,178 R+53.9
Bond 2,534 35.3% 4,497 62.7% 143 7,174 R+27.4
Richland 2,081 29.1% 5,061 70.9% 7,142 R+41.7
White 2,040 29.7% 4,839 70.3% 6,879 R+40.7
Massac 1,918 30.6% 4,357 69.4% 6,275 R+38.9
Mason 2,152 34.5% 4,090 65.5% 6,242 R+31.0
Menard 1,320 21.9% 4,713 78.1% 6,033 R+56.2
Moultrie 2,057 35.2% 3,789 64.8% 5,846 R+29.6
Ford 1,390 23.8% 4,453 76.2% 5,843 R+52.4
Lawrence 2,011 34.6% 3,800 65.4% 5,811 R+30.8
Marshall 1,558 26.9% 4,242 73.1% 5,800 R+46.3
Clay 1,445 25.0% 4,346 75.0% 5,791 R+50.1
Johnson 1,401 25.3% 4,127 74.7% 5,528 R+49.3
Greene 1,806 33.5% 3,044 56.5% 540 5,390 R+23.0
Cumberland 1,755 34.1% 3,396 65.9% 5,151 R+31.9
Wabash 1,514 30.5% 3,457 69.5% 4,971 R+39.1
Jasper 1,294 26.3% 3,620 73.7% 4,914 R+47.3
Cass 1,312 27.4% 3,482 72.6% 4,794 R+45.3
Schuyler 1,069 27.8% 2,771 72.2% 3,840 R+44.3
Hamilton 1,129 29.6% 2,683 70.4% 3,812 R+40.8
Henderson 1,681 47.6% 1,850 52.4% 3,531 R+4.8
Alexander 1,947 58.8% 1,179 35.6% 186 3,312 D+23.2
Edwards 637 20.2% 2,521 79.8% 3,158 R+59.7
Putnam 1,279 42.5% 1,733 57.5% 3,012 R+15.1
Pulaski 1,441 49.6% 1,337 46.0% 128 2,906 D+3.6
Stark 712 27.3% 1,900 72.7% 2,612 R+45.5
Scott 617 24.4% 1,914 75.6% 2,531 R+51.2
Calhoun 1,116 45.2% 1,160 47.0% 194 2,470 R+1.8
Gallatin 905 37.1% 1,533 62.9% 2,438 R+25.8
Brown 455 19.5% 1,877 80.5% 2,332 R+61.0
Hardin 724 31.7% 1,559 68.3% 2,283 R+36.6
Pope 589 27.2% 1,575 72.8% 2,164 R+45.6

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Illinois in every House election we hold

YearSeatsHouse vote
2024 D 14, R 3 D+5.8
2022 D 14, R 3 D+12.4
2020 D 13, R 5 D+16.0
2018 D 13, R 5 D+22.1
2016 D 11, R 7 D+7.9
2014 D 10, R 8 D+2.8
2012 D 12, R 6 D+10.6
2010 D 8, R 11 D+4.2
2008 D 12, R 7 D+23.2
2006 D 10, R 9 D+15.8
2004 D 10, R 9 D+8.1
2002 D 9, R 10 D+2.4
2000 D 10, R 10 D+12.4
1998 D 10, R 10 R+1.8
1996 D 10, R 10 D+11.0
1994 D 10, R 10 R+3.8
1992 D 12, R 8 D+12.0
1990 D 15, R 7 D+9.7