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United States · Election results history · 2008 president · 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 presidential election in Illinois

Barack Obama (Democrat) beat John McCain (Republican) in Illinois in 2008, 61.9% to 36.8%, a margin of 25.1 points and 1,388,169 votes.

Illinois voted 17.9 points more Democratic than the country as a whole, where the margin was D+7.3.

The Democratic hold continued from 2004, when John Kerry won.

Republicans led in 56 of the 102 counties and Democrats in 46. The largest, Cook, cast 2,137,466 votes and went to the Democrat by 53.4 points. The closest was Pulaski, where 45 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.

Result

CandidatePartyVotesShare
Barack Obama won Democratic 3,419,348 61.9%
John McCain Republican 2,031,179 36.8%
All other candidates 71,844 1.3%
Total5,522,371

Every county

CountyDemocratRepublicanOthersTotalMargin
Cook 1,629,024 76.2% 487,736 22.8% 20,706 2,137,466 D+53.4
DuPage 228,698 54.7% 183,626 43.9% 5,649 417,973 D+10.8
Lake 177,242 59.3% 118,545 39.6% 3,318 299,105 D+19.6
Will 160,406 56.0% 122,597 42.8% 3,417 286,420 D+13.2
Kane 106,756 55.2% 83,963 43.4% 2,580 193,299 D+11.8
McHenry 72,288 51.9% 64,845 46.6% 2,135 139,268 D+5.3
Madison 68,979 53.7% 57,177 44.6% 2,178 128,334 D+9.2
Winnebago 70,034 55.6% 53,886 42.8% 2,111 126,031 D+12.8
St. Clair 76,160 60.6% 47,958 38.1% 1,626 125,744 D+22.4
Sangamon 51,300 51.4% 46,945 47.0% 1,583 99,828 D+4.4
Champaign 48,597 57.8% 33,871 40.3% 1,675 84,143 D+17.5
Peoria 45,906 56.2% 34,579 42.3% 1,219 81,704 D+13.9
McLean 37,689 49.8% 36,767 48.5% 1,294 75,750 D+1.2
Rock Island 42,210 61.7% 25,364 37.1% 827 68,401 D+24.6
Tazewell 29,384 46.0% 33,247 52.1% 1,223 63,854 R+6.0
Macon 25,487 49.8% 24,948 48.7% 781 51,216 D+1.1
LaSalle 27,443 54.7% 21,872 43.6% 870 50,185 D+11.1
Kankakee 24,750 51.5% 22,527 46.9% 739 48,016 D+4.6
Kendall 24,742 53.1% 21,380 45.8% 509 46,631 D+7.2
DeKalb 25,784 57.5% 18,266 40.8% 768 44,818 D+16.8
Vermilion 16,246 49.4% 16,054 48.8% 572 32,872 D+0.6
Adams 11,794 38.3% 18,711 60.7% 318 30,823 R+22.4
Williamson 12,914 41.9% 17,387 56.4% 520 30,821 R+14.5
Whiteside 15,607 58.0% 10,883 40.4% 416 26,906 D+17.6
Jackson 15,248 59.7% 9,687 37.9% 597 25,532 D+21.8
Ogle 11,253 45.3% 13,144 52.9% 453 24,850 R+7.6
Henry 13,181 53.2% 11,263 45.4% 341 24,785 D+7.7
Knox 14,191 59.2% 9,419 39.3% 378 23,988 D+19.9
Coles 11,716 50.8% 10,978 47.6% 382 23,076 D+3.2
Macoupin 12,090 54.0% 9,891 44.2% 392 22,373 D+9.8
Grundy 11,063 49.9% 10,687 48.2% 421 22,171 D+1.7
Boone 11,333 51.1% 10,403 47.0% 421 22,157 D+4.2
Stephenson 11,349 52.5% 9,909 45.9% 347 21,605 D+6.7
Woodford 6,999 35.9% 12,191 62.6% 293 19,483 R+26.6
Franklin 8,880 47.6% 9,404 50.4% 357 18,641 R+2.8
Monroe 7,953 44.0% 9,881 54.6% 249 18,083 R+10.7
Marion 8,345 48.1% 8,691 50.1% 328 17,364 R+2.0
Clinton 7,657 44.2% 9,357 54.0% 300 17,314 R+9.8
Jefferson 7,462 43.5% 9,302 54.3% 377 17,141 R+10.7
Bureau 8,889 51.9% 7,911 46.2% 313 17,113 D+5.7
Effingham 5,262 31.3% 11,323 67.3% 250 16,835 R+36.0
Fulton 9,732 59.6% 6,251 38.3% 340 16,323 D+21.3
Lee 7,765 47.6% 8,258 50.6% 295 16,318 R+3.0
Livingston 6,189 39.6% 9,191 58.8% 245 15,625 R+19.2
Morgan 7,467 48.6% 7,591 49.4% 295 15,353 R+0.8
Randolph 7,395 48.6% 7,538 49.6% 269 15,202 R+0.9
Christian 6,918 45.8% 7,872 52.1% 310 15,100 R+6.3
Iroquois 4,643 34.1% 8,695 64.0% 258 13,596 R+29.8
McDonough 6,783 52.0% 6,055 46.4% 204 13,042 D+5.6
Logan 5,250 40.7% 7,429 57.6% 217 12,896 R+16.9
Montgomery 6,491 50.4% 6,150 47.8% 230 12,871 D+2.6
Jo Daviess 6,403 54.5% 5,170 44.0% 177 11,750 D+10.5
Saline 5,083 44.5% 6,099 53.4% 246 11,428 R+8.9
Shelby 4,245 39.1% 6,396 58.9% 227 10,868 R+19.8
Jersey 5,042 47.6% 5,329 50.4% 212 10,583 R+2.7
Perry 4,701 47.0% 5,086 50.9% 208 9,995 R+3.9
Fayette 3,967 41.0% 5,499 56.8% 214 9,680 R+15.8
Hancock 4,141 43.7% 5,161 54.5% 167 9,469 R+10.8
Crawford 3,883 42.5% 5,070 55.5% 176 9,129 R+13.0
Union 3,918 43.0% 5,003 54.9% 195 9,116 R+11.9
Piatt 3,859 42.9% 4,991 55.5% 149 8,999 R+12.6
Mercer 4,887 55.2% 3,833 43.3% 128 8,848 D+11.9
Douglas 3,228 38.6% 5,005 59.9% 123 8,356 R+21.3
Clark 3,742 45.1% 4,409 53.2% 137 8,288 R+8.0
Edgar 3,743 45.3% 4,398 53.3% 114 8,255 R+7.9
Wayne 2,547 31.6% 5,390 66.8% 134 8,071 R+35.2
Warren 4,286 53.4% 3,637 45.3% 106 8,029 D+8.1
Washington 3,342 42.1% 4,473 56.4% 117 7,932 R+14.3
Bond 3,843 48.5% 3,947 49.8% 134 7,924 R+1.3
De Witt 3,308 42.4% 4,348 55.7% 145 7,801 R+13.3
Carroll 3,965 51.7% 3,596 46.9% 113 7,674 D+4.8
Richland 3,181 41.6% 4,329 56.6% 140 7,650 R+15.0
Pike 3,024 39.7% 4,457 58.5% 135 7,616 R+18.8
White 3,315 44.5% 3,987 53.5% 151 7,453 R+9.0
Massac 2,693 37.5% 4,371 60.8% 122 7,186 R+23.4
Mason 3,542 52.0% 3,141 46.1% 125 6,808 D+5.9
Lawrence 3,016 46.1% 3,403 52.1% 117 6,536 R+5.9
Menard 2,706 41.9% 3,672 56.8% 86 6,464 R+14.9
Clay 2,425 37.6% 3,926 60.8% 103 6,454 R+23.3
Ford 2,227 34.9% 4,079 63.9% 80 6,386 R+29.0
Marshall 3,081 48.6% 3,145 49.7% 107 6,333 R+1.0
Moultrie 2,668 42.6% 3,471 55.4% 121 6,260 R+12.8
Johnson 1,871 31.7% 3,912 66.3% 118 5,901 R+34.6
Greene 2,619 45.1% 3,053 52.6% 135 5,807 R+7.5
Wabash 2,462 42.6% 3,254 56.3% 66 5,782 R+13.7
Cass 2,690 49.7% 2,617 48.4% 101 5,408 D+1.3
Cumberland 2,055 38.6% 3,156 59.3% 110 5,321 R+20.7
Jasper 2,063 40.2% 2,964 57.8% 104 5,131 R+17.6
Hamilton 1,796 42.1% 2,353 55.2% 115 4,264 R+13.1
Alexander 2,189 55.6% 1,692 43.0% 56 3,937 D+12.6
Schuyler 1,900 49.7% 1,833 47.9% 90 3,823 D+1.8
Henderson 2,215 58.1% 1,541 40.4% 58 3,814 D+17.7
Edwards 1,140 34.0% 2,137 63.8% 73 3,350 R+29.8
Putnam 1,900 56.9% 1,378 41.3% 59 3,337 D+15.6
Pulaski 1,638 50.1% 1,593 48.7% 39 3,270 D+1.4
Stark 1,357 46.7% 1,513 52.0% 37 2,907 R+5.4
Gallatin 1,587 55.5% 1,212 42.4% 60 2,859 D+13.1
Calhoun 1,423 52.7% 1,221 45.2% 55 2,699 D+7.5
Scott 1,090 41.9% 1,455 56.0% 55 2,600 R+14.0
Brown 986 38.4% 1,544 60.1% 39 2,569 R+21.7
Hardin 892 39.6% 1,330 59.0% 33 2,255 R+19.4
Pope 845 37.9% 1,343 60.2% 43 2,231 R+22.3

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

Illinois in every presidential election we hold

YearWinnerMargin
2024 Kamala Harris (D) D+10.9
2020 Joe Biden (D) D+17.0
2016 Hillary Clinton (D) D+17.1
2012 Barack Obama (D) D+16.9
2008 Barack Obama (D) D+25.1
2004 John Kerry (D) D+10.3
2000 Al Gore (D) D+12.0
1996 Bill Clinton (D) D+17.5
1992 Bill Clinton (D) D+14.2
1988 George H. W. Bush (R) R+2.1
1984 Ronald Reagan (R) R+12.9
1980 Ronald Reagan (R) R+7.9
1976 Gerald Ford (R) R+2.0
1972 Richard Nixon (R) R+18.5
1968 Richard Nixon (R) R+2.9
1964 Lyndon B. Johnson (D) D+18.9
1960 John F. Kennedy (D) D+0.2
1956 Dwight D. Eisenhower (R) R+19.4
1952 Dwight D. Eisenhower (R) R+9.9
1948 Harry S. Truman (D) D+0.8
1944 Franklin D. Roosevelt (D) D+3.5
1940 Franklin D. Roosevelt (D) D+2.4
1936 Franklin D. Roosevelt (D) D+18.0
1932 Franklin D. Roosevelt (D) D+13.2
1928 Herbert Hoover (R) R+14.8
1924 Calvin Coolidge (R) R+35.5
1920 Warren G. Harding (R) R+42.3
1916 Charles Evans Hughes (R) R+9.2
1912 Woodrow Wilson (D) D+13.2
1908 William Howard Taft (R) R+15.5
1904 Theodore Roosevelt (R) R+28.3
1900 William McKinley (R) R+8.4
1896 William McKinley (R) R+13.1
1892 Grover Cleveland (D) D+3.1
1888 Benjamin Harrison (R) R+3.0
1884 James G. Blaine (R) R+3.7
1880 James A. Garfield (R) R+6.5
1876 Rutherford B. Hayes (R) R+3.5
1872 Ulysses S. Grant (R) R+13.3
1868 Ulysses S. Grant (R) R+11.4