Illinois 2020 vs 2024: county swing
94 of 102 counties moved toward the Republican ticket; 0 changed hands.
| County | 2020 | 2024 | Swing | Votes 2020 | Votes 2024 |
|---|---|---|---|---|---|
| Cook County | D+50.4 | D+42.0 | R+8.4 | 2,321,399 | 2,056,800 |
| Will County | D+8.3 | D+1.6 | R+6.7 | 346,266 | 324,971 |
| Calhoun County | R+49.4 | R+55.9 | R+6.5 | 2,773 | 2,680 |
| Whiteside County | R+8.3 | R+14.7 | R+6.4 | 27,375 | 26,429 |
| Henderson County | R+33.0 | R+38.8 | R+5.8 | 3,656 | 3,462 |
| Cass County | R+37.8 | R+43.4 | R+5.6 | 5,326 | 5,241 |
| Perry County | R+46.7 | R+52.0 | R+5.3 | 10,071 | 9,241 |
| Warren County | R+20.0 | R+25.1 | R+5.1 | 7,924 | 7,432 |
| Alexander County | R+14.2 | R+19.2 | R+5.0 | 2,625 | 2,271 |
| Kane County | D+14.4 | D+9.4 | R+5.0 | 231,876 | 222,364 |
| Scott County | R+56.2 | R+61.2 | R+5.0 | 2,741 | 2,587 |
| DuPage County | D+18.1 | D+13.4 | R+4.7 | 485,064 | 449,660 |
| Hardin County | R+57.4 | R+61.8 | R+4.4 | 2,162 | 1,925 |
| Kankakee County | R+16.5 | R+20.8 | R+4.3 | 50,039 | 47,515 |
| Kendall County | D+5.8 | D+1.5 | R+4.3 | 64,205 | 65,970 |
| Stark County | R+41.2 | R+45.5 | R+4.3 | 2,886 | 2,761 |
| LaSalle County | R+14.3 | R+18.5 | R+4.2 | 53,683 | 52,432 |
| Bond County | R+41.0 | R+44.8 | R+3.8 | 8,144 | 7,981 |
| DeKalb County | D+5.8 | D+2.0 | R+3.8 | 47,989 | 47,186 |
| Fulton County | R+20.1 | R+23.8 | R+3.7 | 16,724 | 16,137 |
| Grundy County | R+25.8 | R+29.5 | R+3.7 | 26,753 | 26,539 |
| Stephenson County | R+15.7 | R+19.4 | R+3.7 | 22,048 | 20,965 |
| Knox County | R+5.7 | R+9.3 | R+3.6 | 23,205 | 22,175 |
| Putnam County | R+19.3 | R+22.9 | R+3.6 | 3,390 | 3,331 |
| Ogle County | R+25.9 | R+29.4 | R+3.5 | 26,340 | 25,749 |
| Pulaski County | R+30.7 | R+34.2 | R+3.5 | 2,631 | 2,377 |
| Lake County | D+24.1 | D+20.8 | R+3.3 | 334,156 | 309,323 |
| Schuyler County | R+43.5 | R+46.8 | R+3.3 | 3,918 | 3,756 |
| Henry County | R+21.4 | R+24.5 | R+3.1 | 25,700 | 25,062 |
| Mercer County | R+24.0 | R+27.1 | R+3.1 | 8,914 | 8,345 |
| Franklin County | R+47.5 | R+50.5 | R+3.0 | 18,669 | 17,685 |
| Hamilton County | R+60.3 | R+63.3 | R+3.0 | 4,323 | 4,181 |
| Montgomery County | R+41.0 | R+44.0 | R+3.0 | 13,761 | 13,187 |
| Shelby County | R+57.2 | R+60.2 | R+3.0 | 12,097 | 11,664 |
| Union County | R+40.2 | R+43.2 | R+3.0 | 8,904 | 8,224 |
| Bureau County | R+21.4 | R+24.3 | R+2.9 | 17,434 | 15,992 |
| Fayette County | R+61.8 | R+64.7 | R+2.9 | 10,076 | 9,601 |
| Marion County | R+46.6 | R+49.5 | R+2.9 | 17,492 | 16,756 |
| Pike County | R+60.9 | R+63.8 | R+2.9 | 7,965 | 7,506 |
| Greene County | R+54.9 | R+57.7 | R+2.8 | 6,227 | 6,054 |
| Jasper County | R+62.5 | R+65.3 | R+2.8 | 5,586 | 5,421 |
| Mason County | R+39.5 | R+42.3 | R+2.8 | 6,766 | 6,371 |
| McHenry County | R+2.5 | R+5.3 | R+2.8 | 164,578 | 161,699 |
| Cumberland County | R+59.1 | R+61.8 | R+2.7 | 5,850 | 5,768 |
| Lee County | R+19.6 | R+22.3 | R+2.7 | 16,440 | 16,091 |
| Macoupin County | R+36.5 | R+39.2 | R+2.7 | 24,070 | 23,403 |
| Vermilion County | R+32.9 | R+35.6 | R+2.7 | 31,642 | 29,509 |
| Brown County | R+57.3 | R+59.9 | R+2.6 | 2,525 | 2,455 |
| Jefferson County | R+45.2 | R+47.8 | R+2.6 | 17,436 | 16,639 |
| Rock Island County | D+12.1 | D+9.5 | R+2.6 | 66,817 | 63,267 |
| Carroll County | R+29.4 | R+31.7 | R+2.3 | 8,024 | 7,836 |
| Lawrence County | R+54.0 | R+56.3 | R+2.3 | 6,422 | 6,103 |
| Jersey County | R+48.0 | R+50.2 | R+2.2 | 11,960 | 11,691 |
| McDonough County | R+16.6 | R+18.8 | R+2.2 | 12,285 | 11,940 |
| Christian County | R+44.6 | R+46.7 | R+2.1 | 16,204 | 15,534 |
| Clay County | R+65.2 | R+67.3 | R+2.1 | 6,899 | 6,766 |
| Coles County | R+26.4 | R+28.5 | R+2.1 | 22,606 | 21,469 |
| Livingston County | R+44.2 | R+46.3 | R+2.1 | 17,174 | 16,538 |
| De Witt County | R+42.9 | R+44.9 | R+2.0 | 8,024 | 7,736 |
| Menard County | R+39.4 | R+41.4 | R+2.0 | 6,954 | 6,423 |
| Winnebago County | D+2.5 | D+0.5 | R+2.0 | 127,710 | 121,048 |
| Woodford County | R+40.1 | R+42.1 | R+2.0 | 21,498 | 21,113 |
| White County | R+57.5 | R+59.4 | R+1.9 | 7,431 | 7,064 |
| Douglas County | R+44.4 | R+46.1 | R+1.7 | 8,760 | 8,404 |
| Logan County | R+39.8 | R+41.5 | R+1.7 | 13,294 | 12,555 |
| Peoria County | D+6.3 | D+4.6 | R+1.7 | 83,973 | 78,731 |
| Gallatin County | R+52.2 | R+53.8 | R+1.6 | 2,675 | 2,529 |
| Edwards County | R+69.6 | R+71.1 | R+1.5 | 3,368 | 3,288 |
| Marshall County | R+34.5 | R+36.0 | R+1.5 | 6,345 | 6,127 |
| Williamson County | R+37.3 | R+38.7 | R+1.4 | 33,729 | 32,998 |
| Crawford County | R+51.3 | R+52.5 | R+1.2 | 9,441 | 8,927 |
| Effingham County | R+59.1 | R+60.3 | R+1.2 | 19,083 | 19,062 |
| Macon County | R+17.7 | R+18.9 | R+1.2 | 49,387 | 45,224 |
| Saline County | R+47.9 | R+49.1 | R+1.2 | 11,089 | 10,602 |
| Boone County | R+13.4 | R+14.5 | R+1.1 | 24,979 | 24,216 |
| Hancock County | R+48.9 | R+50.0 | R+1.1 | 9,383 | 9,058 |
| Piatt County | R+29.6 | R+30.6 | R+1.0 | 9,851 | 9,496 |
| Tazewell County | R+25.7 | R+26.7 | R+1.0 | 69,051 | 67,966 |
| Adams County | R+46.5 | R+47.4 | R+0.9 | 33,527 | 31,744 |
| Clinton County | R+51.0 | R+51.9 | R+0.9 | 19,214 | 19,215 |
| Massac County | R+48.0 | R+48.8 | R+0.8 | 6,818 | 6,676 |
| Pope County | R+59.3 | R+60.1 | R+0.8 | 2,175 | 2,132 |
| St. Clair County | D+8.7 | D+7.9 | R+0.8 | 128,104 | 119,655 |
| Iroquois County | R+56.7 | R+57.4 | R+0.7 | 14,044 | 13,307 |
| Morgan County | R+31.8 | R+32.5 | R+0.7 | 15,333 | 14,649 |
| Richland County | R+52.8 | R+53.5 | R+0.7 | 8,063 | 7,743 |
| Washington County | R+56.5 | R+57.2 | R+0.7 | 7,921 | 7,561 |
| Clark County | R+50.6 | R+51.2 | R+0.6 | 8,355 | 8,203 |
| Ford County | R+47.3 | R+47.9 | R+0.6 | 6,967 | 6,547 |
| Monroe County | R+35.7 | R+36.3 | R+0.6 | 21,206 | 20,889 |
| Sangamon County | R+4.4 | R+5.0 | R+0.6 | 104,751 | 98,845 |
| Wabash County | R+53.3 | R+53.9 | R+0.6 | 5,607 | 5,377 |
| Wayne County | R+70.4 | R+70.9 | R+0.5 | 8,499 | 8,267 |
| Jo Daviess County | R+16.5 | R+16.8 | R+0.3 | 12,495 | 12,385 |
| Madison County | R+13.3 | R+13.3 | Even | 137,558 | 132,599 |
| Moultrie County | R+49.0 | R+49.0 | Even | 6,744 | 6,523 |
| Johnson County | R+58.5 | R+58.3 | D+0.2 | 6,450 | 6,103 |
| Randolph County | R+50.2 | R+50.0 | D+0.2 | 14,910 | 14,332 |
| Edgar County | R+52.6 | R+52.3 | D+0.3 | 8,196 | 7,906 |
| McLean County | D+4.0 | D+4.8 | D+0.8 | 87,389 | 86,168 |
| Champaign County | D+22.8 | D+24.1 | D+1.3 | 95,568 | 88,627 |
| Jackson County | D+1.3 | D+3.5 | D+2.2 | 22,716 | 22,331 |
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data