Illinois 2012 vs 2016: county swing
93 of 102 counties moved toward the Republican ticket; 11 changed hands.
| County | 2012 | 2016 | Swing | Votes 2012 | Votes 2016 |
|---|---|---|---|---|---|
| Henderson County flipped | D+12.2 | R+28.5 | R+40.7 | 3,568 | 3,518 |
| Gallatin County | R+18.0 | R+47.4 | R+29.4 | 2,573 | 2,707 |
| Hancock County | R+17.8 | R+47.0 | R+29.2 | 9,111 | 9,121 |
| Schuyler County | R+8.8 | R+37.8 | R+29.0 | 3,890 | 3,828 |
| Randolph County | R+17.6 | R+46.4 | R+28.8 | 14,392 | 14,194 |
| Scott County | R+26.5 | R+54.9 | R+28.4 | 2,555 | 2,608 |
| Carroll County flipped | D+1.5 | R+26.7 | R+28.2 | 7,386 | 7,445 |
| Franklin County | R+16.8 | R+44.8 | R+28.0 | 17,914 | 18,711 |
| Mercer County flipped | D+7.4 | R+20.4 | R+27.8 | 8,534 | 8,525 |
| Greene County | R+25.4 | R+52.6 | R+27.2 | 5,622 | 5,585 |
| Macoupin County | R+7.1 | R+34.2 | R+27.1 | 21,010 | 22,360 |
| Perry County | R+17.7 | R+44.6 | R+26.9 | 9,549 | 9,853 |
| Fulton County flipped | D+11.0 | R+15.0 | R+26.0 | 15,356 | 15,797 |
| Montgomery County | R+14.1 | R+39.5 | R+25.4 | 12,133 | 12,978 |
| Mason County | R+6.4 | R+31.5 | R+25.1 | 6,272 | 6,486 |
| Brown County | R+30.7 | R+55.5 | R+24.8 | 2,364 | 2,379 |
| Hamilton County | R+32.9 | R+57.7 | R+24.8 | 3,941 | 4,166 |
| Marion County | R+19.2 | R+43.9 | R+24.7 | 15,764 | 17,074 |
| Calhoun County | R+14.0 | R+38.2 | R+24.2 | 2,576 | 2,571 |
| Henry County flipped | D+3.1 | R+20.8 | R+23.9 | 24,322 | 24,643 |
| Washington County | R+31.6 | R+55.5 | R+23.9 | 7,405 | 7,427 |
| Whiteside County flipped | D+17.5 | R+6.2 | R+23.7 | 25,654 | 25,582 |
| Fayette County | R+34.5 | R+57.9 | R+23.4 | 8,971 | 9,585 |
| Hardin County | R+34.1 | R+57.4 | R+23.3 | 2,330 | 2,148 |
| Bond County | R+14.6 | R+37.4 | R+22.8 | 7,336 | 7,530 |
| Jersey County | R+23.8 | R+46.1 | R+22.3 | 9,959 | 10,991 |
| Lawrence County | R+30.8 | R+53.0 | R+22.2 | 5,989 | 6,094 |
| Pike County | R+35.4 | R+57.6 | R+22.2 | 7,286 | 7,530 |
| Pope County | R+38.7 | R+60.8 | R+22.1 | 2,222 | 2,142 |
| Warren County flipped | D+5.5 | R+16.5 | R+22.0 | 7,793 | 7,807 |
| Alexander County flipped | D+13.6 | R+8.3 | R+21.9 | 3,501 | 2,846 |
| Cumberland County | R+35.3 | R+57.1 | R+21.8 | 5,295 | 5,567 |
| Putnam County flipped | D+1.8 | R+19.9 | R+21.7 | 3,135 | 3,111 |
| White County | R+36.0 | R+57.6 | R+21.6 | 7,064 | 7,335 |
| Richland County | R+32.9 | R+54.1 | R+21.2 | 7,282 | 7,684 |
| Saline County | R+29.0 | R+50.1 | R+21.1 | 10,720 | 11,384 |
| Stark County | R+16.3 | R+37.4 | R+21.1 | 2,662 | 2,743 |
| Knox County flipped | D+17.4 | R+3.0 | R+20.4 | 23,278 | 22,243 |
| Shelby County | R+33.6 | R+53.9 | R+20.3 | 10,395 | 11,010 |
| Moultrie County | R+27.1 | R+47.3 | R+20.2 | 6,057 | 6,283 |
| Pulaski County | R+5.8 | R+26.0 | R+20.2 | 3,003 | 2,735 |
| Jefferson County | R+22.8 | R+42.8 | R+20.0 | 16,320 | 16,999 |
| Bureau County | R+0.2 | R+19.6 | R+19.4 | 16,631 | 16,571 |
| Christian County | R+23.0 | R+42.4 | R+19.4 | 14,701 | 15,459 |
| Marshall County | R+14.2 | R+33.4 | R+19.2 | 5,850 | 5,984 |
| Clay County | R+44.1 | R+63.0 | R+18.9 | 5,908 | 6,350 |
| Edwards County | R+51.1 | R+70.0 | R+18.9 | 3,228 | 3,347 |
| Clinton County | R+30.0 | R+48.7 | R+18.7 | 16,450 | 17,419 |
| Jasper County | R+41.2 | R+59.4 | R+18.2 | 5,043 | 5,136 |
| Cass County | R+13.5 | R+31.2 | R+17.7 | 4,862 | 5,124 |
| Union County | R+22.0 | R+39.7 | R+17.7 | 8,282 | 8,537 |
| Crawford County | R+31.7 | R+49.1 | R+17.4 | 8,609 | 8,728 |
| Vermilion County | R+13.2 | R+29.6 | R+16.4 | 30,314 | 30,570 |
| Wabash County | R+36.7 | R+53.0 | R+16.3 | 5,134 | 5,464 |
| Edgar County | R+32.8 | R+48.9 | R+16.1 | 7,819 | 7,873 |
| Jo Daviess County flipped | D+1.2 | R+14.6 | R+15.8 | 11,429 | 11,334 |
| Williamson County | R+25.0 | R+40.8 | R+15.8 | 29,143 | 31,852 |
| Massac County | R+33.7 | R+49.2 | R+15.5 | 6,495 | 6,683 |
| Johnson County | R+42.2 | R+57.6 | R+15.4 | 5,672 | 6,089 |
| De Witt County | R+26.9 | R+42.0 | R+15.1 | 7,345 | 7,543 |
| Coles County | R+11.1 | R+26.1 | R+15.0 | 21,358 | 21,863 |
| Clark County | R+32.4 | R+47.2 | R+14.8 | 7,860 | 7,928 |
| Stephenson County | R+1.6 | R+16.3 | R+14.7 | 21,055 | 20,343 |
| Grundy County | R+8.9 | R+23.2 | R+14.3 | 21,244 | 23,237 |
| Morgan County | R+15.4 | R+29.6 | R+14.2 | 14,096 | 14,800 |
| LaSalle County | R+0.4 | R+14.4 | R+14.0 | 47,259 | 49,743 |
| Madison County | R+1.4 | R+15.2 | R+13.8 | 122,473 | 130,179 |
| Rock Island County | D+21.8 | D+8.3 | R+13.5 | 65,016 | 63,994 |
| Wayne County | R+58.3 | R+71.6 | R+13.3 | 7,680 | 8,261 |
| Lee County | R+7.4 | R+19.9 | R+12.5 | 15,301 | 15,489 |
| Macon County | R+5.2 | R+17.7 | R+12.5 | 48,899 | 48,060 |
| Adams County | R+35.2 | R+47.3 | R+12.1 | 30,607 | 31,951 |
| Jackson County | D+14.4 | D+3.3 | R+11.1 | 24,012 | 24,617 |
| Iroquois County | R+44.6 | R+55.4 | R+10.8 | 12,784 | 13,064 |
| Tazewell County | R+17.9 | R+28.0 | R+10.1 | 61,048 | 64,400 |
| McDonough County | R+1.5 | R+11.5 | R+10.0 | 12,454 | 13,092 |
| Monroe County | R+26.8 | R+36.7 | R+9.9 | 17,432 | 19,354 |
| Kankakee County | R+3.3 | R+13.0 | R+9.7 | 45,509 | 47,305 |
| Ogle County | R+16.7 | R+26.0 | R+9.3 | 23,367 | 24,193 |
| Douglas County | R+36.7 | R+45.9 | R+9.2 | 7,897 | 8,169 |
| Livingston County | R+31.5 | R+40.6 | R+9.1 | 15,039 | 15,269 |
| Boone County | R+5.6 | R+14.3 | R+8.7 | 21,365 | 23,001 |
| St. Clair County | D+14.3 | D+5.7 | R+8.6 | 119,466 | 120,580 |
| Effingham County | R+52.0 | R+59.9 | R+7.9 | 16,613 | 17,609 |
| Logan County | R+32.1 | R+39.3 | R+7.2 | 12,053 | 12,401 |
| Menard County | R+30.1 | R+37.0 | R+6.9 | 6,151 | 6,515 |
| Piatt County | R+26.7 | R+33.1 | R+6.4 | 8,707 | 9,008 |
| Winnebago County | D+5.6 | D+0.1 | R+5.5 | 118,984 | 118,376 |
| Ford County | R+42.8 | R+47.9 | R+5.1 | 6,006 | 6,396 |
| DeKalb County | D+5.5 | D+3.1 | R+2.4 | 41,092 | 43,600 |
| Woodford County | R+39.2 | R+40.9 | R+1.7 | 18,874 | 19,864 |
| Peoria County | D+4.4 | D+3.1 | R+1.3 | 78,411 | 78,503 |
| Sangamon County | R+8.6 | R+9.2 | R+0.6 | 94,297 | 98,373 |
| Will County | D+5.5 | D+6.4 | D+0.9 | 277,387 | 300,904 |
| McHenry County | R+8.8 | R+7.6 | D+1.2 | 133,844 | 141,750 |
| Kendall County | R+3.3 | R+0.1 | D+3.2 | 47,295 | 53,447 |
| Cook County | D+49.4 | D+53.7 | D+4.3 | 2,011,597 | 2,158,615 |
| Kane County | D+1.1 | D+10.5 | D+9.4 | 181,642 | 199,314 |
| McLean County | R+11.0 | R+1.3 | D+9.7 | 73,382 | 79,835 |
| Champaign County | D+7.0 | D+18.3 | D+11.3 | 78,359 | 91,628 |
| Lake County | D+8.4 | D+20.2 | D+11.8 | 287,493 | 303,520 |
| DuPage County | D+1.1 | D+14.5 | D+13.4 | 401,079 | 428,769 |
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data