Illinois — 2012 presidential election
Recent presidential results
Akashicstate2012 presidential electionIllinois · PresidentObamaD+16.8
How it voted
Share of the 2012 vote
| Barack Obama ✓Democratic | 57.5% | 3,019,512 |
|---|---|---|
| Mitt RomneyRepublican | 40.7% | 2,135,216 |
| OtherAll other candidates | 1.8% | 96,704 |
2012presidential margin
D+60R+60
102 counties, each filled by 2012 D-vs-R margin. Hover any county for its result.
Illinois cast 20 electoral votes this cycle.
County-level results (102 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adams County, IL | Republican | R+35.1 |
| Alexander County, IL | Democratic | D+13.7 |
| Bond County, IL | Republican | R+14.6 |
| Boone County, IL | Republican | R+5.7 |
| Brown County, IL | Republican | R+30.7 |
| Bureau County, IL | Republican | R+0.2 |
| Calhoun County, IL | Republican | R+14.0 |
| Carroll County, IL | Democratic | D+1.5 |
| Cass County, IL | Republican | R+13.4 |
| Champaign County, IL | Democratic | D+7.0 |
| Christian County, IL | Republican | R+23.0 |
| Clark County, IL | Republican | R+32.4 |
| Clay County, IL | Republican | R+44.1 |
| Clinton County, IL | Republican | R+29.9 |
| Coles County, IL | Republican | R+11.1 |
| Cook County, IL | Democratic | D+49.3 |
| Crawford County, IL | Republican | R+31.6 |
| Cumberland County, IL | Republican | R+35.3 |
| De Witt County, IL | Republican | R+26.8 |
| DeKalb County, IL | Democratic | D+5.5 |
| Douglas County, IL | Republican | R+36.7 |
| DuPage County, IL | Democratic | D+1.1 |
| Edgar County, IL | Republican | R+32.8 |
| Edwards County, IL | Republican | R+51.1 |
| Effingham County, IL | Republican | R+52.0 |
| Fayette County, IL | Republican | R+34.4 |
| Ford County, IL | Republican | R+42.7 |
| Franklin County, IL | Republican | R+16.8 |
| Fulton County, IL | Democratic | D+11.0 |
| Gallatin County, IL | Republican | R+18.0 |
| Greene County, IL | Republican | R+25.3 |
| Grundy County, IL | Republican | R+8.9 |
| Hamilton County, IL | Republican | R+32.9 |
| Hancock County, IL | Republican | R+17.8 |
| Hardin County, IL | Republican | R+34.0 |
| Henderson County, IL | Democratic | D+12.2 |
| Henry County, IL | Democratic | D+3.1 |
| Iroquois County, IL | Republican | R+44.5 |
| Jackson County, IL | Democratic | D+14.3 |
| Jasper County, IL | Republican | R+41.2 |
| Jefferson County, IL | Republican | R+22.8 |
| Jersey County, IL | Republican | R+23.7 |
| Jo Daviess County, IL | Democratic | D+1.2 |
| Johnson County, IL | Republican | R+42.0 |
| Kane County, IL | Democratic | D+1.1 |
| Kankakee County, IL | Republican | R+3.4 |
| Kendall County, IL | Republican | R+3.3 |
| Knox County, IL | Democratic | D+17.3 |
| Lake County, IL | Democratic | D+8.3 |
| LaSalle County, IL | Republican | R+0.4 |
| Lawrence County, IL | Republican | R+30.8 |
| Lee County, IL | Republican | R+7.3 |
| Livingston County, IL | Republican | R+31.4 |
| Logan County, IL | Republican | R+32.0 |
| Macon County, IL | Republican | R+5.2 |
| Macoupin County, IL | Republican | R+7.0 |
| Madison County, IL | Republican | R+1.4 |
| Marion County, IL | Republican | R+19.1 |
| Marshall County, IL | Republican | R+14.2 |
| Mason County, IL | Republican | R+6.3 |
| Massac County, IL | Republican | R+33.7 |
| McDonough County, IL | Republican | R+1.4 |
| McHenry County, IL | Republican | R+8.8 |
| McLean County, IL | Republican | R+11.0 |
| Menard County, IL | Republican | R+30.0 |
| Mercer County, IL | Democratic | D+7.4 |
| Monroe County, IL | Republican | R+26.7 |
| Montgomery County, IL | Republican | R+14.1 |
| Morgan County, IL | Republican | R+15.3 |
| Moultrie County, IL | Republican | R+27.0 |
| Ogle County, IL | Republican | R+16.7 |
| Peoria County, IL | Democratic | D+4.4 |
| Perry County, IL | Republican | R+17.7 |
| Piatt County, IL | Republican | R+26.6 |
| Pike County, IL | Republican | R+35.4 |
| Pope County, IL | Republican | R+38.8 |
| Pulaski County, IL | Republican | R+5.8 |
| Putnam County, IL | Democratic | D+1.8 |
| Randolph County, IL | Republican | R+17.5 |
| Richland County, IL | Republican | R+32.9 |
| Rock Island County, IL | Democratic | D+21.8 |
| Saline County, IL | Republican | R+29.0 |
| Sangamon County, IL | Republican | R+8.6 |
| Schuyler County, IL | Republican | R+8.8 |
| Scott County, IL | Republican | R+26.4 |
| Shelby County, IL | Republican | R+33.5 |
| St. Clair County, IL | Democratic | D+14.3 |
| Stark County, IL | Republican | R+16.3 |
| Stephenson County, IL | Republican | R+1.6 |
| Tazewell County, IL | Republican | R+17.8 |
| Union County, IL | Republican | R+21.9 |
| Vermilion County, IL | Republican | R+13.2 |
| Wabash County, IL | Republican | R+36.8 |
| Warren County, IL | Democratic | D+5.4 |
| Washington County, IL | Republican | R+31.5 |
| Wayne County, IL | Republican | R+58.1 |
| White County, IL | Republican | R+35.9 |
| Whiteside County, IL | Democratic | D+17.0 |
| Will County, IL | Democratic | D+5.5 |
| Williamson County, IL | Republican | R+24.8 |
| Winnebago County, IL | Democratic | D+5.5 |
| Woodford County, IL | Republican | R+39.0 |
Illinois results by county
102 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Adams County | Mitt Romney+10,768 | 9,64831.4% | 20,41666.5% | 6332.1% | 30,697 |
| Alexander County | Barack Obama+478 | 1,96556.1% | 1,48742.5% | 491.4% | 3,501 |
| Bond County | Mitt Romney+1,075 | 3,02040.9% | 4,09555.5% | 2603.5% | 7,375 |
| Boone County | Mitt Romney+1,213 | 9,88346.1% | 11,09651.8% | 4622.2% | 21,441 |
| Brown County | Mitt Romney+726 | 78733.3% | 1,51364.0% | 642.7% | 2,364 |
| Bureau County | Mitt Romney+30 | 8,13448.7% | 8,16448.9% | 3882.3% | 16,686 |
| Calhoun County | Mitt Romney+360 | 1,08041.9% | 1,44055.9% | 562.2% | 2,576 |
| Carroll County | Barack Obama+110 | 3,66549.5% | 3,55548.0% | 1862.5% | 7,406 |
| Cass County | Mitt Romney+654 | 2,05342.1% | 2,70755.5% | 1182.4% | 4,878 |
| Champaign County | Barack Obama+5,519 | 40,83151.9% | 35,31244.9% | 2,4663.1% | 78,609 |
| Christian County | Mitt Romney+3,391 | 5,49437.3% | 8,88560.3% | 3482.4% | 14,727 |
| Clark County | Mitt Romney+2,553 | 2,59132.9% | 5,14465.2% | 1511.9% | 7,886 |
| Clay County | Mitt Romney+2,606 | 1,58426.8% | 4,19070.9% | 1342.3% | 5,908 |
| Clinton County | Mitt Romney+4,928 | 5,59634.0% | 10,52463.9% | 3612.2% | 16,481 |
| Coles County | Mitt Romney+2,369 | 9,26243.2% | 11,63154.3% | 5442.5% | 21,437 |
| Cook County | Barack Obama+992,995 | 1,488,53773.9% | 495,54224.6% | 30,7401.5% | 2,014,819 |
| Crawford County | Mitt Romney+2,727 | 2,85833.1% | 5,58564.7% | 1902.2% | 8,633 |
| Cumberland County | Mitt Romney+1,868 | 1,64131.0% | 3,50966.3% | 1452.7% | 5,295 |
| De Witt County | Mitt Romney+1,978 | 2,60135.3% | 4,57962.1% | 1882.6% | 7,368 |
| DeKalb County | Barack Obama+2,273 | 21,20751.4% | 18,93445.9% | 1,1002.7% | 41,241 |
| Douglas County | Mitt Romney+2,904 | 2,43030.7% | 5,33467.3% | 1572.0% | 7,921 |
| DuPage County | Barack Obama+4,414 | 199,46049.7% | 195,04648.6% | 6,5751.6% | 401,081 |
| Edgar County | Mitt Romney+2,567 | 2,56532.7% | 5,13265.5% | 1381.8% | 7,835 |
| Edwards County | Mitt Romney+1,651 | 75423.4% | 2,40574.5% | 692.1% | 3,228 |
| Effingham County | Mitt Romney+8,640 | 3,86123.2% | 12,50175.2% | 2511.5% | 16,613 |
| Fayette County | Mitt Romney+3,098 | 2,85331.7% | 5,95166.0% | 2082.3% | 9,012 |
| Ford County | Mitt Romney+2,573 | 1,65627.5% | 4,22970.2% | 1392.3% | 6,024 |
| Franklin County | Mitt Romney+3,013 | 7,25440.5% | 10,26757.3% | 3932.2% | 17,914 |
| Fulton County | Barack Obama+1,696 | 8,32854.0% | 6,63243.0% | 4512.9% | 15,411 |
| Gallatin County | Mitt Romney+463 | 1,02940.0% | 1,49258.0% | 522.0% | 2,573 |
| Greene County | Mitt Romney+1,428 | 2,02335.9% | 3,45161.2% | 1632.9% | 5,637 |
| Grundy County | Mitt Romney+1,892 | 9,45144.3% | 11,34353.2% | 5192.4% | 21,313 |
| Hamilton County | Mitt Romney+1,297 | 1,26932.2% | 2,56665.1% | 1062.7% | 3,941 |
| Hancock County | Mitt Romney+1,621 | 3,65040.1% | 5,27157.9% | 1902.1% | 9,111 |
| Hardin County | Mitt Romney+793 | 74231.8% | 1,53565.9% | 532.3% | 2,330 |
| Henderson County | Barack Obama+437 | 1,97855.4% | 1,54143.2% | 491.4% | 3,568 |
| Henry County | Barack Obama+749 | 12,33250.5% | 11,58347.5% | 4902.0% | 24,405 |
| Iroquois County | Mitt Romney+5,707 | 3,41326.6% | 9,12071.2% | 2782.2% | 12,811 |
| Jackson County | Barack Obama+3,455 | 13,31955.3% | 9,86440.9% | 9213.8% | 24,104 |
| Jasper County | Mitt Romney+2,078 | 1,43628.5% | 3,51469.7% | 931.8% | 5,043 |
| Jefferson County | Mitt Romney+3,722 | 6,08937.3% | 9,81160.1% | 4202.6% | 16,320 |
| Jersey County | Mitt Romney+2,372 | 3,66736.7% | 6,03960.4% | 2952.9% | 10,001 |
| Jo Daviess County | Barack Obama+133 | 5,66749.6% | 5,53448.4% | 2282.0% | 11,429 |
| Johnson County | Mitt Romney+2,391 | 1,57227.6% | 3,96369.6% | 1592.8% | 5,694 |
| Kane County | Barack Obama+1,997 | 90,33249.7% | 88,33548.6% | 3,0581.7% | 181,725 |
| Kankakee County | Mitt Romney+1,541 | 21,59547.3% | 23,13650.7% | 9232.0% | 45,654 |
| Kendall County | Mitt Romney+1,576 | 22,47147.4% | 24,04750.7% | 9001.9% | 47,418 |
| Knox County | Barack Obama+4,043 | 13,45157.6% | 9,40840.3% | 4972.1% | 23,356 |
| Lake County | Barack Obama+23,993 | 153,75753.5% | 129,76445.1% | 3,9721.4% | 287,493 |
| LaSalle County | Mitt Romney+183 | 23,07348.7% | 23,25649.1% | 1,0762.3% | 47,405 |
| Lawrence County | Mitt Romney+1,846 | 2,01133.6% | 3,85764.4% | 1212.0% | 5,989 |
| Lee County | Mitt Romney+1,122 | 6,93745.2% | 8,05952.5% | 3522.3% | 15,348 |
| Livingston County | Mitt Romney+4,733 | 5,02033.3% | 9,75364.7% | 3042.0% | 15,077 |
| Logan County | Mitt Romney+3,866 | 3,97832.9% | 7,84464.9% | 2662.2% | 12,088 |
| Macon County | Mitt Romney+2,529 | 22,78046.5% | 25,30951.6% | 9411.9% | 49,030 |
| Macoupin County | Mitt Romney+1,482 | 9,46444.9% | 10,94651.9% | 6733.2% | 21,083 |
| Madison County | Mitt Romney+1,686 | 58,92247.9% | 60,60849.3% | 3,3552.7% | 122,885 |
| Marion County | Mitt Romney+3,023 | 6,22539.3% | 9,24858.5% | 3472.2% | 15,820 |
| Marshall County | Mitt Romney+835 | 2,45541.8% | 3,29056.1% | 1242.1% | 5,869 |
| Mason County | Mitt Romney+398 | 2,86745.5% | 3,26551.9% | 1642.6% | 6,296 |
| Massac County | Mitt Romney+2,186 | 2,09232.2% | 4,27865.9% | 1251.9% | 6,495 |
| McDonough County | Mitt Romney+180 | 5,96747.9% | 6,14749.4% | 3402.7% | 12,454 |
| McHenry County | Mitt Romney+11,801 | 59,79744.5% | 71,59853.3% | 2,8422.1% | 134,237 |
| McLean County | Mitt Romney+8,064 | 31,88343.4% | 39,94754.4% | 1,6392.2% | 73,469 |
| Menard County | Mitt Romney+1,848 | 2,10034.1% | 3,94864.2% | 1031.7% | 6,151 |
| Mercer County | Barack Obama+631 | 4,50752.6% | 3,87645.2% | 1852.2% | 8,568 |
| Monroe County | Mitt Romney+4,673 | 6,21535.5% | 10,88862.2% | 3912.2% | 17,494 |
| Montgomery County | Mitt Romney+1,718 | 5,05841.5% | 6,77655.6% | 3542.9% | 12,188 |
| Morgan County | Mitt Romney+2,166 | 5,80641.1% | 7,97256.4% | 3642.6% | 14,142 |
| Moultrie County | Mitt Romney+1,640 | 2,14435.3% | 3,78462.3% | 1472.4% | 6,075 |
| Ogle County | Mitt Romney+3,908 | 9,51440.7% | 13,42257.4% | 4311.8% | 23,367 |
| Peoria County | Barack Obama+3,435 | 40,20951.3% | 36,77446.9% | 1,4281.8% | 78,411 |
| Perry County | Mitt Romney+1,688 | 3,81940.0% | 5,50757.7% | 2232.3% | 9,549 |
| Piatt County | Mitt Romney+2,323 | 3,09035.3% | 5,41361.9% | 2392.7% | 8,742 |
| Pike County | Mitt Romney+2,582 | 2,27831.2% | 4,86066.6% | 1642.2% | 7,302 |
| Pope County | Mitt Romney+862 | 65029.3% | 1,51268.0% | 602.7% | 2,222 |
| Pulaski County | Mitt Romney+175 | 1,38946.1% | 1,56451.9% | 592.0% | 3,012 |
| Putnam County | Barack Obama+57 | 1,55949.6% | 1,50247.8% | 822.6% | 3,143 |
| Randolph County | Mitt Romney+2,531 | 5,75939.9% | 8,29057.4% | 3892.7% | 14,438 |
| Richland County | Mitt Romney+2,394 | 2,36232.4% | 4,75665.3% | 1642.3% | 7,282 |
| Rock Island County | Barack Obama+14,223 | 39,15760.0% | 24,93438.2% | 1,1261.7% | 65,217 |
| Saline County | Mitt Romney+3,105 | 3,70134.5% | 6,80663.5% | 2132.0% | 10,720 |
| Sangamon County | Mitt Romney+8,118 | 42,10744.7% | 50,22553.3% | 1,9652.1% | 94,297 |
| Schuyler County | Mitt Romney+342 | 1,72744.3% | 2,06953.0% | 1062.7% | 3,902 |
| Scott County | Mitt Romney+677 | 91035.4% | 1,58761.8% | 712.8% | 2,568 |
| Shelby County | Mitt Romney+3,501 | 3,34232.0% | 6,84365.6% | 2542.4% | 10,439 |
| St. Clair County | Barack Obama+17,160 | 67,28556.2% | 50,12541.8% | 2,4172.0% | 119,827 |
| Stark County | Mitt Romney+433 | 1,09541.1% | 1,52857.4% | 391.5% | 2,662 |
| Stephenson County | Mitt Romney+347 | 10,16548.1% | 10,51249.8% | 4512.1% | 21,128 |
| Tazewell County | Mitt Romney+10,897 | 24,43839.9% | 35,33557.7% | 1,5092.5% | 61,282 |
| Union County | Mitt Romney+1,820 | 3,13737.7% | 4,95759.6% | 2242.7% | 8,318 |
| Vermilion County | Mitt Romney+4,014 | 12,87842.4% | 16,89255.6% | 6302.1% | 30,400 |
| Wabash County | Mitt Romney+1,888 | 1,59031.0% | 3,47867.7% | 661.3% | 5,134 |
| Warren County | Barack Obama+426 | 4,04451.7% | 3,61846.3% | 1562.0% | 7,818 |
| Washington County | Mitt Romney+2,342 | 2,45033.0% | 4,79264.5% | 1932.6% | 7,435 |
| Wayne County | Mitt Romney+4,474 | 1,51419.7% | 5,98877.8% | 1952.5% | 7,697 |
| White County | Mitt Romney+2,543 | 2,18830.9% | 4,73166.8% | 1632.3% | 7,082 |
| Whiteside County | Barack Obama+4,385 | 14,83357.4% | 10,44840.5% | 5472.1% | 25,828 |
| Will County | Barack Obama+15,260 | 144,22951.9% | 128,96946.4% | 4,9671.8% | 278,165 |
| Williamson County | Mitt Romney+7,262 | 10,64736.4% | 17,90961.2% | 6982.4% | 29,254 |
| Winnebago County | Barack Obama+6,594 | 61,73251.7% | 55,13846.2% | 2,5272.1% | 119,397 |
| Woodford County | Mitt Romney+7,389 | 5,57229.4% | 12,96168.4% | 4052.1% | 18,938 |
Nominees: Barack Obama (D) · Mitt Romney (R)
Illinois's presidential margins
1892–2024, the 2012 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | +3.1% |
| 1896 | −13.0% |
| 1900 | −8.4% |
| 1904 | −28.3% |
| 1908 | −15.5% |
| 1912 | +13.2% |
| 1916 | −9.2% |
| 1920 | −42.3% |
| 1924 | −35.5% |
| 1928 | −14.7% |
| 1932 | +13.2% |
| 1936 | +18.0% |
| 1940 | +2.4% |
| 1944 | +3.5% |
| 1948 | +0.8% |
| 1952 | −9.9% |
| 1956 | −19.2% |
| 1960 | +0.2% |
| 1964 | +18.9% |
| 1968 | −2.9% |
| 1972 | −18.5% |
| 1976 | −2.0% |
| 1980 | −7.9% |
| 1984 | −12.9% |
| 1988 | −2.1% |
| 1992 | +14.2% |
| 1996 | +17.5% |
| 2000 | +12.0% |
| 2004 | +10.3% |
| 2008 | +25.1% |
| 2012 | +16.8% |
| 2016 | +16.9% |
| 2020 | +16.9% |
| 2024 | +10.9% |
Same ballot, 2012IL
Source. MIT Election Data + Science Lab — 2012 presidential returns · official county-level results. Real returns — nothing estimated.