Illinois 2008 Presidential Election Results by County
In 2008, the Republican candidate won 56 of Illinois's 102 counties.
| County | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast |
|---|---|---|---|---|---|---|
| Adams | John McCain | Republican | 18,711 | 60.7% | 22.4 pts | 30,823 |
| Alexander | Barack Obama | Democratic | 2,189 | 55.6% | 12.6 pts | 3,937 |
| Bond | John McCain | Republican | 3,947 | 49.8% | 1.3 pts | 7,924 |
| Boone | Barack Obama | Democratic | 11,333 | 51.1% | 4.2 pts | 22,157 |
| Brown | John McCain | Republican | 1,544 | 60.1% | 21.7 pts | 2,569 |
| Bureau | Barack Obama | Democratic | 8,889 | 51.9% | 5.7 pts | 17,113 |
| Calhoun | Barack Obama | Democratic | 1,423 | 52.7% | 7.5 pts | 2,699 |
| Carroll | Barack Obama | Democratic | 3,965 | 51.7% | 4.8 pts | 7,674 |
| Cass | Barack Obama | Democratic | 2,690 | 49.7% | 1.3 pts | 5,408 |
| Champaign | Barack Obama | Democratic | 48,597 | 57.8% | 17.5 pts | 84,143 |
| Christian | John McCain | Republican | 7,872 | 52.1% | 6.3 pts | 15,100 |
| Clark | John McCain | Republican | 4,409 | 53.2% | 8.0 pts | 8,288 |
| Clay | John McCain | Republican | 3,926 | 60.8% | 23.3 pts | 6,454 |
| Clinton | John McCain | Republican | 9,357 | 54.0% | 9.8 pts | 17,314 |
| Coles | Barack Obama | Democratic | 11,716 | 50.8% | 3.2 pts | 23,076 |
| Cook | Barack Obama | Democratic | 1,629,024 | 76.2% | 53.4 pts | 2,137,466 |
| Crawford | John McCain | Republican | 5,070 | 55.5% | 13.0 pts | 9,129 |
| Cumberland | John McCain | Republican | 3,156 | 59.3% | 20.7 pts | 5,321 |
| De Witt | John McCain | Republican | 4,348 | 55.7% | 13.3 pts | 7,801 |
| DeKalb | Barack Obama | Democratic | 25,784 | 57.5% | 16.8 pts | 44,818 |
| Douglas | John McCain | Republican | 5,005 | 59.9% | 21.3 pts | 8,356 |
| Dupage | Barack Obama | Democratic | 228,698 | 54.7% | 10.8 pts | 417,973 |
| Edgar | John McCain | Republican | 4,398 | 53.3% | 7.9 pts | 8,255 |
| Edwards | John McCain | Republican | 2,137 | 63.8% | 29.8 pts | 3,350 |
| Effingham | John McCain | Republican | 11,323 | 67.3% | 36.0 pts | 16,835 |
| Fayette | John McCain | Republican | 5,499 | 56.8% | 15.8 pts | 9,680 |
| Ford | John McCain | Republican | 4,079 | 63.9% | 29.0 pts | 6,386 |
| Franklin | John McCain | Republican | 9,404 | 50.4% | 2.8 pts | 18,641 |
| Fulton | Barack Obama | Democratic | 9,732 | 59.6% | 21.3 pts | 16,323 |
| Gallatin | Barack Obama | Democratic | 1,587 | 55.5% | 13.1 pts | 2,859 |
| Greene | John McCain | Republican | 3,053 | 52.6% | 7.5 pts | 5,807 |
| Grundy | Barack Obama | Democratic | 11,063 | 49.9% | 1.7 pts | 22,171 |
| Hamilton | John McCain | Republican | 2,353 | 55.2% | 13.1 pts | 4,264 |
| Hancock | John McCain | Republican | 5,161 | 54.5% | 10.8 pts | 9,469 |
| Hardin | John McCain | Republican | 1,330 | 59.0% | 19.4 pts | 2,255 |
| Henderson | Barack Obama | Democratic | 2,215 | 58.1% | 17.7 pts | 3,814 |
| Henry | Barack Obama | Democratic | 13,181 | 53.2% | 7.7 pts | 24,785 |
| Iroquois | John McCain | Republican | 8,695 | 64.0% | 29.8 pts | 13,596 |
| Jackson | Barack Obama | Democratic | 15,248 | 59.7% | 21.8 pts | 25,532 |
| Jasper | John McCain | Republican | 2,964 | 57.8% | 17.6 pts | 5,131 |
| Jefferson | John McCain | Republican | 9,302 | 54.3% | 10.7 pts | 17,141 |
| Jersey | John McCain | Republican | 5,329 | 50.4% | 2.7 pts | 10,583 |
| Jo Daviess | Barack Obama | Democratic | 6,403 | 54.5% | 10.5 pts | 11,750 |
| Johnson | John McCain | Republican | 3,912 | 66.3% | 34.6 pts | 5,901 |
| Kane | Barack Obama | Democratic | 106,756 | 55.2% | 11.8 pts | 193,299 |
| Kankakee | Barack Obama | Democratic | 24,750 | 51.5% | 4.6 pts | 48,016 |
| Kendall | Barack Obama | Democratic | 24,742 | 53.1% | 7.2 pts | 46,631 |
| Knox | Barack Obama | Democratic | 14,191 | 59.2% | 19.9 pts | 23,988 |
| LaSalle | Barack Obama | Democratic | 27,443 | 54.7% | 11.1 pts | 50,185 |
| Lake | Barack Obama | Democratic | 177,242 | 59.3% | 19.6 pts | 299,105 |
| Lawrence | John McCain | Republican | 3,403 | 52.1% | 5.9 pts | 6,536 |
| Lee | John McCain | Republican | 8,258 | 50.6% | 3.0 pts | 16,318 |
| Livingston | John McCain | Republican | 9,191 | 58.8% | 19.2 pts | 15,625 |
| Logan | John McCain | Republican | 7,429 | 57.6% | 16.9 pts | 12,896 |
| Macon | Barack Obama | Democratic | 25,487 | 49.8% | 1.1 pts | 51,216 |
| Macoupin | Barack Obama | Democratic | 12,090 | 54.0% | 9.8 pts | 22,373 |
| Madison | Barack Obama | Democratic | 68,979 | 53.7% | 9.2 pts | 128,334 |
| Marion | John McCain | Republican | 8,691 | 50.1% | 2.0 pts | 17,364 |
| Marshall | John McCain | Republican | 3,145 | 49.7% | 1.0 pts | 6,333 |
| Mason | Barack Obama | Democratic | 3,542 | 52.0% | 5.9 pts | 6,808 |
| Massac | John McCain | Republican | 4,371 | 60.8% | 23.4 pts | 7,186 |
| McDonough | Barack Obama | Democratic | 6,783 | 52.0% | 5.6 pts | 13,042 |
| McHenry | Barack Obama | Democratic | 72,288 | 51.9% | 5.3 pts | 139,268 |
| McLean | Barack Obama | Democratic | 37,689 | 49.8% | 1.2 pts | 75,750 |
| Menard | John McCain | Republican | 3,672 | 56.8% | 14.9 pts | 6,464 |
| Mercer | Barack Obama | Democratic | 4,887 | 55.2% | 11.9 pts | 8,848 |
| Monroe | John McCain | Republican | 9,881 | 54.6% | 10.7 pts | 18,083 |
| Montgomery | Barack Obama | Democratic | 6,491 | 50.4% | 2.6 pts | 12,871 |
| Morgan | John McCain | Republican | 7,591 | 49.4% | 0.8 pts | 15,353 |
| Moultrie | John McCain | Republican | 3,471 | 55.4% | 12.8 pts | 6,260 |
| Ogle | John McCain | Republican | 13,144 | 52.9% | 7.6 pts | 24,850 |
| Peoria | Barack Obama | Democratic | 45,906 | 56.2% | 13.9 pts | 81,704 |
| Perry | John McCain | Republican | 5,086 | 50.9% | 3.9 pts | 9,995 |
| Piatt | John McCain | Republican | 4,991 | 55.5% | 12.6 pts | 8,999 |
| Pike | John McCain | Republican | 4,457 | 58.5% | 18.8 pts | 7,616 |
| Pope | John McCain | Republican | 1,343 | 60.2% | 22.3 pts | 2,231 |
| Pulaski | Barack Obama | Democratic | 1,638 | 50.1% | 1.4 pts | 3,270 |
| Putnam | Barack Obama | Democratic | 1,900 | 56.9% | 15.6 pts | 3,337 |
| Randolph | John McCain | Republican | 7,538 | 49.6% | 0.9 pts | 15,202 |
| Richland | John McCain | Republican | 4,329 | 56.6% | 15.0 pts | 7,650 |
| Rock Island | Barack Obama | Democratic | 42,210 | 61.7% | 24.6 pts | 68,401 |
| Saline | John McCain | Republican | 6,099 | 53.4% | 8.9 pts | 11,428 |
| Sangamon | Barack Obama | Democratic | 51,300 | 51.4% | 4.4 pts | 99,828 |
| Schuyler | Barack Obama | Democratic | 1,900 | 49.7% | 1.8 pts | 3,823 |
| Scott | John McCain | Republican | 1,455 | 56.0% | 14.0 pts | 2,600 |
| Shelby | John McCain | Republican | 6,396 | 58.9% | 19.8 pts | 10,868 |
| St. Clair | Barack Obama | Democratic | 76,160 | 60.6% | 22.4 pts | 125,744 |
| Stark | John McCain | Republican | 1,513 | 52.0% | 5.4 pts | 2,907 |
| Stephenson | Barack Obama | Democratic | 11,349 | 52.5% | 6.7 pts | 21,605 |
| Tazewell | John McCain | Republican | 33,247 | 52.1% | 6.0 pts | 63,854 |
| Union | John McCain | Republican | 5,003 | 54.9% | 11.9 pts | 9,116 |
| Vermilion | Barack Obama | Democratic | 16,246 | 49.4% | 0.6 pts | 32,872 |
| Wabash | John McCain | Republican | 3,254 | 56.3% | 13.7 pts | 5,782 |
| Warren | Barack Obama | Democratic | 4,286 | 53.4% | 8.1 pts | 8,029 |
| Washington | John McCain | Republican | 4,473 | 56.4% | 14.3 pts | 7,932 |
| Wayne | John McCain | Republican | 5,390 | 66.8% | 35.2 pts | 8,071 |
| White | John McCain | Republican | 3,987 | 53.5% | 9.0 pts | 7,453 |
| Whiteside | Barack Obama | Democratic | 15,607 | 58.0% | 17.6 pts | 26,906 |
| Will | Barack Obama | Democratic | 160,406 | 56.0% | 13.2 pts | 286,420 |
| Williamson | John McCain | Republican | 17,387 | 56.4% | 14.5 pts | 30,821 |
| Winnebago | Barack Obama | Democratic | 70,034 | 55.6% | 12.8 pts | 126,031 |
| Woodford | John McCain | Republican | 12,191 | 62.6% | 26.6 pts | 19,483 |
Other Cycles
Frequently Asked Questions
Which party won the most counties in Illinois in 2008?
The Republican candidate won 56 of Illinois's 102 counties in 2008, with 46 counties going to the other major party.
Which Illinois county had the closest presidential result in 2008?
Vermilion had the closest margin in Illinois in 2008, with Barack Obama (Democratic) winning by 0.6 points out of 32,872 total votes cast.
Which Illinois county had the widest presidential margin in 2008?
Cook had the widest margin in Illinois in 2008, with Barack Obama (Democratic) winning by 53.4 points.
How many counties are included in Illinois's 2008 presidential results?
This page covers 102 counties in Illinois for the 2008 presidential election, based on MEDSL/EveryElectionResult.com county-level returns.