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United States · Election results history · 2008 House · Illinois
Election 2008 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.

2008 US House elections in Illinois

Illinois elected 19 members of the House in 2008: Democrats won 12 seats and Republicans 7.

The closest was the 10th district, decided by 5.1 points: Mark Steven Kirk (Republican) beat Daniel J. Seals (Democrat), 52.6% to 47.4%, a margin of 5.1 points and 14,906 votes.

In the House vote by county, Republicans led in 63 of the 102 counties and Democrats in 39. The largest, Cook, cast 2,016,024 votes and went to the Democrat by 53.1 points. The closest was Gallatin, where 73 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. Rush233,036 (85.9%) Antoine Members38,361 (14.1%) D+71.7
2 Jesse L. Jackson Jr.251,052 (89.4%) Anthony W. Williams29,721 (10.6%) 3 D+78.8
3 Daniel Lipinski172,581 (73.3%) Michael Hawkins50,336 (21.4%) 12,607 D+51.9
4 Luis V. Gutierrez112,529 (80.6%) Daniel Cunningham16,024 (11.5%) 11,053 D+69.1
5 Rahm Emanuel170,728 (73.9%) Tom Hanson50,881 (22.0%) 9,283 D+51.9
6 Jill Morgenthaler109,007 (42.4%) Peter J. Roskam147,906 (57.6%) R+15.1
7 Danny K. Davis235,343 (85.0%) Steve Miller41,474 (15.0%) D+70.0
8 Melissa L. Bean179,444 (60.7%) Steve Greenberg116,081 (39.3%) D+21.4
9 Janice D. Schakowsky181,948 (74.7%) Michael Benjamin Younan53,593 (22.0%) 8,153 D+52.7
10 Daniel J. Seals138,176 (47.4%) Mark Steven Kirk153,082 (52.6%) R+5.1
11 Deborah "Debbie" Halvorson185,652 (58.4%) Marty Ozinga109,608 (34.5%) 22,635 D+23.9
12 Jerry F. Costello212,891 (71.4%) Timmy Jay Richardson Jr.74,382 (24.9%) 10,908 D+46.5
13 Scott Harper147,430 (43.6%) Judy Biggert180,888 (53.6%) 9,453 R+9.9
14 Bill Foster185,404 (57.7%) Jim Oberweis135,653 (42.3%) D+15.5
15 Steve Cox104,393 (35.8%) Timothy V. Johnson187,121 (64.2%) R+28.4
16 Robert G. Abboud112,648 (36.1%) Donald A. Manzullo190,039 (60.9%) 9,533 R+24.8
17 Phil Hare220,961 (99.8%) none 517 D+99.8
18 Colleen Callahan117,642 (37.9%) Aaron Schock182,589 (58.9%) 9,857 R+20.9
19 Daniel Davis105,338 (33.4%) John Shimkus203,434 (64.5%) 6,817 R+31.1

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Cook 1,521,805 75.5% 451,955 22.4% 42,264 2,016,024 D+53.1
DuPage 168,834 42.4% 224,147 56.2% 5,558 398,539 R+13.9
Lake 163,047 55.8% 129,199 44.2% 292,246 D+11.6
Will 151,358 54.7% 112,687 40.7% 12,667 276,712 D+14.0
Kane 111,064 59.2% 76,506 40.8% 187,570 D+18.4
McHenry 57,511 42.7% 74,033 55.0% 2,993 134,537 R+12.3
Madison 63,733 50.9% 57,210 45.7% 4,163 125,106 D+5.2
Winnebago 49,005 39.3% 72,014 57.8% 3,535 124,554 R+18.5
St. Clair 90,645 74.0% 28,134 23.0% 3,656 122,435 D+51.1
Sangamon 42,221 44.0% 51,581 53.7% 2,189 95,991 R+9.8
Champaign 34,953 43.2% 46,029 56.8% 80,982 R+13.7
Peoria 32,595 40.3% 44,560 55.1% 3,744 80,899 R+14.8
McLean 31,253 43.2% 37,646 52.1% 3,417 72,316 R+8.8
Tazewell 21,380 33.6% 40,044 63.0% 2,116 63,540 R+29.4
Rock Island 53,051 99.4% 0 0.0% 347 53,398 D+99.4
LaSalle 28,162 58.3% 16,231 33.6% 3,901 48,294 D+24.7
Kankakee 28,944 62.0% 14,826 31.8% 2,909 46,679 D+30.2
Macon 31,690 68.8% 14,132 30.7% 262 46,084 D+38.1
Kendall 25,398 55.9% 20,048 44.1% 45,446 D+11.8
DeKalb 24,368 56.3% 18,509 42.8% 401 43,278 D+13.5
Vermilion 12,659 39.3% 19,569 60.7% 32,228 R+21.4
Williamson 16,984 59.5% 10,316 36.1% 1,242 28,542 D+23.4
Jackson 16,923 68.3% 6,120 24.7% 1,748 24,791 D+43.6
Ogle 6,731 27.4% 17,188 70.0% 641 24,560 R+42.6
Whiteside 16,522 68.2% 7,377 30.4% 341 24,240 D+37.7
Adams 20,084 84.1% 3,715 15.5% 96 23,895 D+68.5
Coles 8,855 39.4% 13,604 60.6% 22,459 R+21.1
Boone 7,460 34.2% 13,726 63.0% 608 21,794 R+28.8
Henry 15,067 69.5% 6,594 30.4% 29 21,690 D+39.1
Grundy 11,841 55.7% 7,830 36.8% 1,605 21,276 D+18.9
Stephenson 6,787 32.3% 13,804 65.6% 447 21,038 R+33.4
Knox 18,972 91.7% 1,631 7.9% 94 20,697 D+83.8
Woodford 5,463 28.4% 13,050 67.7% 751 19,264 R+39.4
Franklin 12,637 69.7% 4,928 27.2% 559 18,124 D+42.5
Monroe 11,202 63.4% 6,082 34.4% 375 17,659 D+29.0
Macoupin 17,293 99.9% 0 0.0% 13 17,306 D+99.9
Marion 6,356 37.2% 10,472 61.2% 276 17,104 R+24.1
Clinton 4,852 28.7% 11,734 69.4% 328 16,914 R+40.7
Jefferson 6,142 36.9% 10,100 60.7% 389 16,631 R+23.8
Bureau 9,060 55.2% 6,545 39.9% 811 16,416 D+15.3
Effingham 4,360 26.7% 11,742 71.8% 251 16,353 R+45.1
Lee 7,547 48.2% 8,126 51.8% 15,673 R+3.7
Morgan 5,965 39.5% 8,749 57.9% 384 15,098 R+18.4
Livingston 3,864 25.7% 11,186 74.3% 12 15,062 R+48.6
Randolph 10,858 73.0% 3,707 24.9% 319 14,884 D+48.0
Christian 6,113 42.7% 7,946 55.6% 242 14,301 R+12.8
Fulton 13,491 100.0% 0 0.0% 4 13,495 D+100.0
Iroquois 2,896 21.8% 10,388 78.2% 13,284 R+56.4
Logan 3,839 30.2% 8,625 67.9% 237 12,701 R+37.7
Jo Daviess 4,479 39.9% 6,407 57.1% 326 11,212 R+17.2
Saline 5,149 47.3% 5,550 51.0% 180 10,879 R+3.7
Montgomery 6,546 60.8% 4,115 38.2% 107 10,768 D+22.6
Shelby 3,656 35.2% 6,556 63.1% 173 10,385 R+27.9
McDonough 10,305 100.0% 0 0.0% 10,305 D+100.0
Perry 6,985 71.2% 2,445 24.9% 374 9,804 D+46.3
Jersey 4,562 47.1% 4,907 50.7% 216 9,685 R+3.6
Fayette 3,161 34.1% 5,959 64.3% 151 9,271 R+30.2
Union 6,157 68.6% 2,436 27.2% 379 8,972 D+41.5
Crawford 2,973 33.4% 5,925 66.6% 8,898 R+33.2
Piatt 2,420 27.4% 6,420 72.6% 8,840 R+45.2
Douglas 1,690 20.8% 6,451 79.2% 8,141 R+58.5
Clark 3,120 38.7% 4,937 61.3% 8,057 R+22.6
Edgar 2,567 31.9% 5,485 68.1% 8,052 R+36.2
Wayne 1,857 23.9% 5,782 74.3% 147 7,786 R+50.4
Bond 2,702 34.7% 4,963 63.8% 114 7,779 R+29.1
Washington 2,258 29.1% 5,344 68.9% 151 7,753 R+39.8
De Witt 2,126 27.9% 5,487 72.1% 7,613 R+44.1
Richland 2,526 33.9% 4,804 64.4% 132 7,462 R+30.5
Carroll 2,578 34.8% 4,576 61.8% 251 7,405 R+27.0
White 3,033 41.9% 4,104 56.7% 100 7,237 R+14.8
Pike 3,565 50.7% 3,365 47.8% 104 7,034 D+2.8
Mason 2,790 41.1% 3,858 56.8% 144 6,792 R+15.7
Mercer 6,715 99.2% 0 0.0% 55 6,770 D+99.2
Massac 2,370 35.1% 4,267 63.2% 119 6,756 R+28.1
Hancock 6,671 99.5% 0 0.0% 36 6,707 D+99.5
Warren 6,421 100.0% 0 0.0% 6,421 D+100.0
Menard 2,249 35.9% 3,895 62.3% 112 6,256 R+26.3
Marshall 2,394 38.3% 3,617 57.9% 233 6,244 R+19.6
Ford 1,242 19.9% 4,995 80.1% 6,237 R+60.2
Clay 1,955 31.8% 4,076 66.3% 114 6,145 R+34.5
Lawrence 2,535 41.7% 3,498 57.6% 45 6,078 R+15.8
Moultrie 1,903 31.4% 4,158 68.6% 6,061 R+37.2
Johnson 1,621 28.5% 3,894 68.4% 178 5,693 R+39.9
Wabash 1,721 31.7% 3,700 68.1% 12 5,433 R+36.4
Cass 1,946 36.3% 3,330 62.2% 81 5,357 R+25.8
Cumberland 1,744 33.8% 3,413 66.2% 5,157 R+32.4
Jasper 1,841 36.9% 3,084 61.8% 62 4,987 R+24.9
Greene 2,936 61.3% 1,796 37.5% 55 4,787 D+23.8
Hamilton 1,526 37.9% 2,420 60.1% 81 4,027 R+22.2
Schuyler 1,470 39.1% 2,181 58.1% 106 3,757 R+18.9
Alexander 2,741 75.0% 824 22.6% 89 3,654 D+52.5
Putnam 1,361 41.6% 1,854 56.6% 60 3,275 R+15.1
Edwards 855 26.3% 2,366 72.8% 28 3,249 R+46.5
Pulaski 2,156 69.3% 897 28.8% 59 3,112 D+40.5
Henderson 2,996 100.0% 0 0.0% 2,996 D+100.0
Stark 1,236 43.0% 1,561 54.3% 80 2,877 R+11.3
Gallatin 1,328 50.7% 1,255 47.9% 36 2,619 D+2.8
Scott 910 35.8% 1,540 60.5% 95 2,545 R+24.8
Brown 776 31.2% 1,680 67.5% 34 2,490 R+36.3
Pope 735 33.9% 1,387 64.0% 46 2,168 R+30.1
Hardin 846 39.5% 1,264 59.1% 30 2,140 R+19.5
Calhoun 1,958 100.0% 0 0.0% 1,958 D+100.0

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