Illinois 2012 vs 2024: county swing
93 of 102 counties moved toward the Republican ticket; 13 changed hands.
| County | 2012 | 2024 | Swing | Votes 2012 | Votes 2024 |
|---|---|---|---|---|---|
| Henderson County flipped | D+12.2 | R+38.8 | R+51.0 | 3,568 | 3,462 |
| Calhoun County | R+14.0 | R+55.9 | R+41.9 | 2,576 | 2,680 |
| Schuyler County | R+8.8 | R+46.8 | R+38.0 | 3,890 | 3,756 |
| Mason County | R+6.4 | R+42.3 | R+35.9 | 6,272 | 6,371 |
| Gallatin County | R+18.0 | R+53.8 | R+35.8 | 2,573 | 2,529 |
| Fulton County flipped | D+11.0 | R+23.8 | R+34.8 | 15,356 | 16,137 |
| Scott County | R+26.5 | R+61.2 | R+34.7 | 2,555 | 2,587 |
| Mercer County flipped | D+7.4 | R+27.1 | R+34.5 | 8,534 | 8,345 |
| Perry County | R+17.7 | R+52.0 | R+34.3 | 9,549 | 9,241 |
| Franklin County | R+16.8 | R+50.5 | R+33.7 | 17,914 | 17,685 |
| Carroll County flipped | D+1.5 | R+31.7 | R+33.2 | 7,386 | 7,836 |
| Alexander County flipped | D+13.6 | R+19.2 | R+32.8 | 3,501 | 2,271 |
| Randolph County | R+17.6 | R+50.0 | R+32.4 | 14,392 | 14,332 |
| Greene County | R+25.4 | R+57.7 | R+32.3 | 5,622 | 6,054 |
| Hancock County | R+17.8 | R+50.0 | R+32.2 | 9,111 | 9,058 |
| Whiteside County flipped | D+17.5 | R+14.7 | R+32.2 | 25,654 | 26,429 |
| Macoupin County | R+7.1 | R+39.2 | R+32.1 | 21,010 | 23,403 |
| Warren County flipped | D+5.5 | R+25.1 | R+30.6 | 7,793 | 7,432 |
| Hamilton County | R+32.9 | R+63.3 | R+30.4 | 3,941 | 4,181 |
| Marion County | R+19.2 | R+49.5 | R+30.3 | 15,764 | 16,756 |
| Bond County | R+14.6 | R+44.8 | R+30.2 | 7,336 | 7,981 |
| Fayette County | R+34.5 | R+64.7 | R+30.2 | 8,971 | 9,601 |
| Cass County | R+13.5 | R+43.4 | R+29.9 | 4,862 | 5,241 |
| Montgomery County | R+14.1 | R+44.0 | R+29.9 | 12,133 | 13,187 |
| Brown County | R+30.7 | R+59.9 | R+29.2 | 2,364 | 2,455 |
| Stark County | R+16.3 | R+45.5 | R+29.2 | 2,662 | 2,761 |
| Pike County | R+35.4 | R+63.8 | R+28.4 | 7,286 | 7,506 |
| Pulaski County | R+5.8 | R+34.2 | R+28.4 | 3,003 | 2,377 |
| Hardin County | R+34.1 | R+61.8 | R+27.7 | 2,330 | 1,925 |
| Henry County flipped | D+3.1 | R+24.5 | R+27.6 | 24,322 | 25,062 |
| Knox County flipped | D+17.4 | R+9.3 | R+26.7 | 23,278 | 22,175 |
| Shelby County | R+33.6 | R+60.2 | R+26.6 | 10,395 | 11,664 |
| Cumberland County | R+35.3 | R+61.8 | R+26.5 | 5,295 | 5,768 |
| Jersey County | R+23.8 | R+50.2 | R+26.4 | 9,959 | 11,691 |
| Washington County | R+31.6 | R+57.2 | R+25.6 | 7,405 | 7,561 |
| Lawrence County | R+30.8 | R+56.3 | R+25.5 | 5,989 | 6,103 |
| Jefferson County | R+22.8 | R+47.8 | R+25.0 | 16,320 | 16,639 |
| Putnam County flipped | D+1.8 | R+22.9 | R+24.7 | 3,135 | 3,331 |
| Bureau County | R+0.2 | R+24.3 | R+24.1 | 16,631 | 15,992 |
| Jasper County | R+41.2 | R+65.3 | R+24.1 | 5,043 | 5,421 |
| Christian County | R+23.0 | R+46.7 | R+23.7 | 14,701 | 15,534 |
| White County | R+36.0 | R+59.4 | R+23.4 | 7,064 | 7,064 |
| Clay County | R+44.1 | R+67.3 | R+23.2 | 5,908 | 6,766 |
| Vermilion County | R+13.2 | R+35.6 | R+22.4 | 30,314 | 29,509 |
| Clinton County | R+30.0 | R+51.9 | R+21.9 | 16,450 | 19,215 |
| Moultrie County | R+27.1 | R+49.0 | R+21.9 | 6,057 | 6,523 |
| Marshall County | R+14.2 | R+36.0 | R+21.8 | 5,850 | 6,127 |
| Pope County | R+38.7 | R+60.1 | R+21.4 | 2,222 | 2,132 |
| Union County | R+22.0 | R+43.2 | R+21.2 | 8,282 | 8,224 |
| Crawford County | R+31.7 | R+52.5 | R+20.8 | 8,609 | 8,927 |
| Grundy County | R+8.9 | R+29.5 | R+20.6 | 21,244 | 26,539 |
| Richland County | R+32.9 | R+53.5 | R+20.6 | 7,282 | 7,743 |
| Saline County | R+29.0 | R+49.1 | R+20.1 | 10,720 | 10,602 |
| Edwards County | R+51.1 | R+71.1 | R+20.0 | 3,228 | 3,288 |
| Edgar County | R+32.8 | R+52.3 | R+19.5 | 7,819 | 7,906 |
| Clark County | R+32.4 | R+51.2 | R+18.8 | 7,860 | 8,203 |
| LaSalle County | R+0.4 | R+18.5 | R+18.1 | 47,259 | 52,432 |
| De Witt County | R+26.9 | R+44.9 | R+18.0 | 7,345 | 7,736 |
| Jo Daviess County flipped | D+1.2 | R+16.8 | R+18.0 | 11,429 | 12,385 |
| Stephenson County | R+1.6 | R+19.4 | R+17.8 | 21,055 | 20,965 |
| Kankakee County | R+3.3 | R+20.8 | R+17.5 | 45,509 | 47,515 |
| Coles County | R+11.1 | R+28.5 | R+17.4 | 21,358 | 21,469 |
| McDonough County | R+1.5 | R+18.8 | R+17.3 | 12,454 | 11,940 |
| Wabash County | R+36.7 | R+53.9 | R+17.2 | 5,134 | 5,377 |
| Morgan County | R+15.4 | R+32.5 | R+17.1 | 14,096 | 14,649 |
| Johnson County | R+42.2 | R+58.3 | R+16.1 | 5,672 | 6,103 |
| Massac County | R+33.7 | R+48.8 | R+15.1 | 6,495 | 6,676 |
| Lee County | R+7.4 | R+22.3 | R+14.9 | 15,301 | 16,091 |
| Livingston County | R+31.5 | R+46.3 | R+14.8 | 15,039 | 16,538 |
| Macon County | R+5.2 | R+18.9 | R+13.7 | 48,899 | 45,224 |
| Williamson County | R+25.0 | R+38.7 | R+13.7 | 29,143 | 32,998 |
| Iroquois County | R+44.6 | R+57.4 | R+12.8 | 12,784 | 13,307 |
| Ogle County | R+16.7 | R+29.4 | R+12.7 | 23,367 | 25,749 |
| Wayne County | R+58.3 | R+70.9 | R+12.6 | 7,680 | 8,267 |
| Rock Island County | D+21.8 | D+9.5 | R+12.3 | 65,016 | 63,267 |
| Adams County | R+35.2 | R+47.4 | R+12.2 | 30,607 | 31,744 |
| Madison County | R+1.4 | R+13.3 | R+11.9 | 122,473 | 132,599 |
| Menard County | R+30.1 | R+41.4 | R+11.3 | 6,151 | 6,423 |
| Jackson County | D+14.4 | D+3.5 | R+10.9 | 24,012 | 22,331 |
| Monroe County | R+26.8 | R+36.3 | R+9.5 | 17,432 | 20,889 |
| Douglas County | R+36.7 | R+46.1 | R+9.4 | 7,897 | 8,404 |
| Logan County | R+32.1 | R+41.5 | R+9.4 | 12,053 | 12,555 |
| Boone County | R+5.6 | R+14.5 | R+8.9 | 21,365 | 24,216 |
| Tazewell County | R+17.9 | R+26.7 | R+8.8 | 61,048 | 67,966 |
| Effingham County | R+52.0 | R+60.3 | R+8.3 | 16,613 | 19,062 |
| Cook County | D+49.4 | D+42.0 | R+7.4 | 2,011,597 | 2,056,800 |
| St. Clair County | D+14.3 | D+7.9 | R+6.4 | 119,466 | 119,655 |
| Ford County | R+42.8 | R+47.9 | R+5.1 | 6,006 | 6,547 |
| Winnebago County | D+5.6 | D+0.5 | R+5.1 | 118,984 | 121,048 |
| Piatt County | R+26.7 | R+30.6 | R+3.9 | 8,707 | 9,496 |
| Will County | D+5.5 | D+1.6 | R+3.9 | 277,387 | 324,971 |
| DeKalb County | D+5.5 | D+2.0 | R+3.5 | 41,092 | 47,186 |
| Woodford County | R+39.2 | R+42.1 | R+2.9 | 18,874 | 21,113 |
| Peoria County | D+4.4 | D+4.6 | D+0.2 | 78,411 | 78,731 |
| McHenry County | R+8.8 | R+5.3 | D+3.5 | 133,844 | 161,699 |
| Sangamon County | R+8.6 | R+5.0 | D+3.6 | 94,297 | 98,845 |
| Kendall County flipped | R+3.3 | D+1.5 | D+4.8 | 47,295 | 65,970 |
| Kane County | D+1.1 | D+9.4 | D+8.3 | 181,642 | 222,364 |
| DuPage County | D+1.1 | D+13.4 | D+12.3 | 401,079 | 449,660 |
| Lake County | D+8.4 | D+20.8 | D+12.4 | 287,493 | 309,323 |
| McLean County flipped | R+11.0 | D+4.8 | D+15.8 | 73,382 | 86,168 |
| Champaign County | D+7.0 | D+24.1 | D+17.1 | 78,359 | 88,627 |
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data