Illinois 2020 Presidential Election Results by County
In 2020, the Republican candidate won 88 of Illinois's 102 counties.
| County | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast |
|---|---|---|---|---|---|---|
| Adams | Donald J Trump | Republican | 24,220 | 72.2% | 46.5 pts | 33,527 |
| Alexander | Donald J Trump | Republican | 1,486 | 56.8% | 14.2 pts | 2,618 |
| Bond | Donald J Trump | Republican | 5,625 | 69.1% | 41.0 pts | 8,145 |
| Boone | Donald J Trump | Republican | 13,883 | 55.6% | 13.4 pts | 24,979 |
| Brown | Donald J Trump | Republican | 1,931 | 76.6% | 57.3 pts | 2,521 |
| Bureau | Donald J Trump | Republican | 10,411 | 59.7% | 21.5 pts | 17,434 |
| Calhoun | Donald J Trump | Republican | 2,046 | 73.8% | 49.4 pts | 2,772 |
| Carroll | Donald J Trump | Republican | 5,105 | 63.6% | 29.4 pts | 8,024 |
| Cass | Donald J Trump | Republican | 3,625 | 68.2% | 37.8 pts | 5,317 |
| Champaign | Joseph R Biden Jr | Democratic | 57,067 | 60.0% | 22.9 pts | 95,142 |
| Christian | Donald J Trump | Republican | 11,563 | 71.4% | 44.6 pts | 16,204 |
| Clark | Donald J Trump | Republican | 6,226 | 74.5% | 50.7 pts | 8,356 |
| Clay | Donald J Trump | Republican | 5,629 | 81.7% | 65.3 pts | 6,886 |
| Clinton | Donald J Trump | Republican | 14,304 | 74.6% | 51.2 pts | 19,170 |
| Coles | Donald J Trump | Republican | 14,037 | 62.1% | 26.4 pts | 22,606 |
| Cook | Joseph R Biden Jr | Democratic | 1,725,973 | 74.3% | 50.3 pts | 2,321,486 |
| Crawford | Donald J Trump | Republican | 7,043 | 74.7% | 51.4 pts | 9,425 |
| Cumberland | Donald J Trump | Republican | 4,601 | 78.9% | 59.3 pts | 5,832 |
| De Witt | Donald J Trump | Republican | 5,632 | 70.2% | 42.9 pts | 8,024 |
| DeKalb | Joseph R Biden Jr | Democratic | 24,643 | 51.5% | 5.7 pts | 47,825 |
| Douglas | Donald J Trump | Republican | 6,227 | 71.3% | 44.5 pts | 8,738 |
| Dupage | Joseph R Biden Jr | Democratic | 281,222 | 58.0% | 18.1 pts | 485,104 |
| Edgar | Donald J Trump | Republican | 6,193 | 75.6% | 52.5 pts | 8,196 |
| Edwards | Donald J Trump | Republican | 2,833 | 84.2% | 69.7 pts | 3,366 |
| Effingham | Donald J Trump | Republican | 15,006 | 78.8% | 59.3 pts | 19,049 |
| Fayette | Donald J Trump | Republican | 8,055 | 80.1% | 61.9 pts | 10,056 |
| Ford | Donald J Trump | Republican | 5,048 | 72.6% | 47.4 pts | 6,953 |
| Franklin | Donald J Trump | Republican | 13,622 | 73.1% | 47.6 pts | 18,626 |
| Fulton | Donald J Trump | Republican | 9,867 | 59.2% | 20.2 pts | 16,678 |
| Gallatin | Donald J Trump | Republican | 2,019 | 75.5% | 52.2 pts | 2,674 |
| Greene | Donald J Trump | Republican | 4,770 | 76.6% | 54.9 pts | 6,227 |
| Grundy | Donald J Trump | Republican | 16,523 | 61.9% | 25.8 pts | 26,691 |
| Hamilton | Donald J Trump | Republican | 3,432 | 79.5% | 60.4 pts | 4,315 |
| Hancock | Donald J Trump | Republican | 6,906 | 73.6% | 48.9 pts | 9,383 |
| Hardin | Donald J Trump | Republican | 1,691 | 78.2% | 57.4 pts | 2,162 |
| Henderson | Donald J Trump | Republican | 2,394 | 65.6% | 33.1 pts | 3,647 |
| Henry | Donald J Trump | Republican | 15,300 | 59.7% | 21.5 pts | 25,635 |
| Iroquois | Donald J Trump | Republican | 10,877 | 77.6% | 56.8 pts | 14,025 |
| Jackson | Joseph R Biden Jr | Democratic | 11,181 | 49.4% | 1.3 pts | 22,643 |
| Jasper | Donald J Trump | Republican | 4,494 | 80.6% | 62.5 pts | 5,576 |
| Jefferson | Donald J Trump | Republican | 12,476 | 71.7% | 45.2 pts | 17,404 |
| Jersey | Donald J Trump | Republican | 8,712 | 73.0% | 48.2 pts | 11,937 |
| Jo Daviess | Donald J Trump | Republican | 7,166 | 57.3% | 16.5 pts | 12,496 |
| Johnson | Donald J Trump | Republican | 5,059 | 78.6% | 58.7 pts | 6,437 |
| Kane | Joseph R Biden Jr | Democratic | 130,166 | 56.1% | 14.4 pts | 231,876 |
| Kankakee | Donald J Trump | Republican | 28,532 | 57.2% | 16.6 pts | 49,902 |
| Kendall | Joseph R Biden Jr | Democratic | 33,168 | 51.8% | 5.7 pts | 63,974 |
| Knox | Donald J Trump | Republican | 12,009 | 51.9% | 5.6 pts | 23,143 |
| LaSalle | Donald J Trump | Republican | 30,113 | 56.2% | 14.3 pts | 53,591 |
| Lake | Joseph R Biden Jr | Democratic | 204,032 | 61.1% | 24.1 pts | 334,177 |
| Lawrence | Donald J Trump | Republican | 4,886 | 76.2% | 54.1 pts | 6,411 |
| Lee | Donald J Trump | Republican | 9,630 | 58.7% | 19.7 pts | 16,397 |
| Livingston | Donald J Trump | Republican | 12,208 | 71.1% | 44.2 pts | 17,174 |
| Logan | Donald J Trump | Republican | 9,136 | 68.7% | 39.8 pts | 13,294 |
| Macon | Donald J Trump | Republican | 28,589 | 57.9% | 17.7 pts | 49,390 |
| Macoupin | Donald J Trump | Republican | 16,153 | 67.2% | 36.6 pts | 24,022 |
| Madison | Donald J Trump | Republican | 76,031 | 55.4% | 13.3 pts | 137,139 |
| Marion | Donald J Trump | Republican | 12,678 | 72.6% | 46.7 pts | 17,458 |
| Marshall | Donald J Trump | Republican | 4,197 | 66.3% | 34.6 pts | 6,334 |
| Mason | Donald J Trump | Republican | 4,654 | 68.8% | 39.4 pts | 6,766 |
| Massac | Donald J Trump | Republican | 4,997 | 73.3% | 48.0 pts | 6,813 |
| McDonough | Donald J Trump | Republican | 7,027 | 57.2% | 16.6 pts | 12,285 |
| McHenry | Donald J Trump | Republican | 82,260 | 50.2% | 2.5 pts | 163,879 |
| McLean | Joseph R Biden Jr | Democratic | 43,933 | 50.5% | 3.9 pts | 87,002 |
| Menard | Donald J Trump | Republican | 4,764 | 68.8% | 39.6 pts | 6,928 |
| Mercer | Donald J Trump | Republican | 5,418 | 60.9% | 24.0 pts | 8,893 |
| Monroe | Donald J Trump | Republican | 14,142 | 66.9% | 35.8 pts | 21,148 |
| Montgomery | Donald J Trump | Republican | 9,544 | 69.5% | 41.1 pts | 13,727 |
| Morgan | Donald J Trump | Republican | 9,950 | 65.0% | 31.8 pts | 15,309 |
| Moultrie | Donald J Trump | Republican | 4,964 | 73.6% | 49.0 pts | 6,744 |
| Ogle | Donald J Trump | Republican | 16,248 | 61.8% | 26.0 pts | 26,272 |
| Peoria | Joseph R Biden Jr | Democratic | 43,578 | 51.9% | 6.3 pts | 83,973 |
| Perry | Donald J Trump | Republican | 7,313 | 72.7% | 46.8 pts | 10,053 |
| Piatt | Donald J Trump | Republican | 6,248 | 63.6% | 29.7 pts | 9,822 |
| Pike | Donald J Trump | Republican | 6,332 | 79.7% | 61.0 pts | 7,949 |
| Pope | Donald J Trump | Republican | 1,722 | 79.2% | 59.3 pts | 2,175 |
| Pulaski | Donald J Trump | Republican | 1,699 | 64.7% | 30.8 pts | 2,624 |
| Putnam | Donald J Trump | Republican | 1,993 | 58.8% | 19.3 pts | 3,390 |
| Randolph | Donald J Trump | Republican | 11,076 | 74.4% | 50.3 pts | 14,891 |
| Richland | Donald J Trump | Republican | 6,089 | 75.5% | 52.8 pts | 8,063 |
| Rock Island | Joseph R Biden Jr | Democratic | 36,691 | 55.0% | 12.1 pts | 66,758 |
| Saline | Donald J Trump | Republican | 8,103 | 73.2% | 48.0 pts | 11,066 |
| Sangamon | Donald J Trump | Republican | 53,485 | 51.1% | 4.4 pts | 104,752 |
| Schuyler | Donald J Trump | Republican | 2,773 | 71.0% | 43.7 pts | 3,906 |
| Scott | Donald J Trump | Republican | 2,114 | 77.2% | 56.3 pts | 2,737 |
| Shelby | Donald J Trump | Republican | 9,426 | 77.9% | 57.2 pts | 12,097 |
| St. Clair | Joseph R Biden Jr | Democratic | 68,325 | 53.3% | 8.7 pts | 128,091 |
| Stark | Donald J Trump | Republican | 2,004 | 69.5% | 41.2 pts | 2,883 |
| Stephenson | Donald J Trump | Republican | 12,521 | 56.8% | 15.7 pts | 22,048 |
| Tazewell | Donald J Trump | Republican | 42,513 | 61.6% | 25.6 pts | 69,052 |
| Union | Donald J Trump | Republican | 6,161 | 69.3% | 40.3 pts | 8,886 |
| Vermilion | Donald J Trump | Republican | 20,725 | 65.6% | 32.9 pts | 31,584 |
| Wabash | Donald J Trump | Republican | 4,237 | 75.8% | 53.4 pts | 5,593 |
| Warren | Donald J Trump | Republican | 4,676 | 59.1% | 20.1 pts | 7,909 |
| Washington | Donald J Trump | Republican | 6,115 | 77.4% | 56.6 pts | 7,902 |
| Wayne | Donald J Trump | Republican | 7,176 | 84.6% | 70.6 pts | 8,486 |
| White | Donald J Trump | Republican | 5,791 | 78.0% | 57.6 pts | 7,421 |
| Whiteside | Donald J Trump | Republican | 14,527 | 53.1% | 8.3 pts | 27,375 |
| Will | Joseph R Biden Jr | Democratic | 183,915 | 53.3% | 8.3 pts | 345,105 |
| Williamson | Donald J Trump | Republican | 22,801 | 67.8% | 37.4 pts | 33,653 |
| Winnebago | Joseph R Biden Jr | Democratic | 64,056 | 50.2% | 2.5 pts | 127,709 |
| Woodford | Donald J Trump | Republican | 14,799 | 69.1% | 40.3 pts | 21,432 |
Other Cycles
Frequently Asked Questions
Which party won the most counties in Illinois in 2020?
The Republican candidate won 88 of Illinois's 102 counties in 2020, with 14 counties going to the other major party.
Which Illinois county had the closest presidential result in 2020?
Jackson had the closest margin in Illinois in 2020, with Joseph R Biden Jr (Democratic) winning by 1.3 points out of 22,643 total votes cast.
Which Illinois county had the widest presidential margin in 2020?
Wayne had the widest margin in Illinois in 2020, with Donald J Trump (Republican) winning by 70.6 points.
How many counties are included in Illinois's 2020 presidential results?
This page covers 102 counties in Illinois for the 2020 presidential election, based on MEDSL/EveryElectionResult.com county-level returns.