Elections / 2012 · President · IL
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 |
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% |
County-by-county results — 102 counties
| County | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| Adams County | R | 9,648 | 20,416 | 30,697 | |
| Alexander County | D | 1,965 | 1,487 | 3,501 | |
| Bond County | R | 3,020 | 4,095 | 7,375 | |
| Boone County | R | 9,883 | 11,096 | 21,441 | |
| Brown County | R | 787 | 1,513 | 2,364 | |
| Bureau County | R | 8,134 | 8,164 | 16,686 | |
| Calhoun County | R | 1,080 | 1,440 | 2,576 | |
| Carroll County | D | 3,665 | 3,555 | 7,406 | |
| Cass County | R | 2,053 | 2,707 | 4,878 | |
| Champaign County | D | 40,831 | 35,312 | 78,609 | |
| Christian County | R | 5,494 | 8,885 | 14,727 | |
| Clark County | R | 2,591 | 5,144 | 7,886 | |
| Clay County | R | 1,584 | 4,190 | 5,908 | |
| Clinton County | R | 5,596 | 10,524 | 16,481 | |
| Coles County | R | 9,262 | 11,631 | 21,437 | |
| Cook County | D | 1,488,537 | 495,542 | 2,014,819 | |
| Crawford County | R | 2,858 | 5,585 | 8,633 | |
| Cumberland County | R | 1,641 | 3,509 | 5,295 | |
| De Witt County | R | 2,601 | 4,579 | 7,368 | |
| DeKalb County | D | 21,207 | 18,934 | 41,241 | |
| Douglas County | R | 2,430 | 5,334 | 7,921 | |
| DuPage County | D | 199,460 | 195,046 | 401,081 | |
| Edgar County | R | 2,565 | 5,132 | 7,835 | |
| Edwards County | R | 754 | 2,405 | 3,228 | |
| Effingham County | R | 3,861 | 12,501 | 16,613 | |
| Fayette County | R | 2,853 | 5,951 | 9,012 | |
| Ford County | R | 1,656 | 4,229 | 6,024 | |
| Franklin County | R | 7,254 | 10,267 | 17,914 | |
| Fulton County | D | 8,328 | 6,632 | 15,411 | |
| Gallatin County | R | 1,029 | 1,492 | 2,573 | |
| Greene County | R | 2,023 | 3,451 | 5,637 | |
| Grundy County | R | 9,451 | 11,343 | 21,313 | |
| Hamilton County | R | 1,269 | 2,566 | 3,941 | |
| Hancock County | R | 3,650 | 5,271 | 9,111 | |
| Hardin County | R | 742 | 1,535 | 2,330 | |
| Henderson County | D | 1,978 | 1,541 | 3,568 | |
| Henry County | D | 12,332 | 11,583 | 24,405 | |
| Iroquois County | R | 3,413 | 9,120 | 12,811 | |
| Jackson County | D | 13,319 | 9,864 | 24,104 | |
| Jasper County | R | 1,436 | 3,514 | 5,043 | |
| Jefferson County | R | 6,089 | 9,811 | 16,320 | |
| Jersey County | R | 3,667 | 6,039 | 10,001 | |
| Jo Daviess County | D | 5,667 | 5,534 | 11,429 | |
| Johnson County | R | 1,572 | 3,963 | 5,694 | |
| Kane County | D | 90,332 | 88,335 | 181,725 | |
| Kankakee County | R | 21,595 | 23,136 | 45,654 | |
| Kendall County | R | 22,471 | 24,047 | 47,418 | |
| Knox County | D | 13,451 | 9,408 | 23,356 | |
| Lake County | D | 153,757 | 129,764 | 287,493 | |
| LaSalle County | R | 23,073 | 23,256 | 47,405 | |
| Lawrence County | R | 2,011 | 3,857 | 5,989 | |
| Lee County | R | 6,937 | 8,059 | 15,348 | |
| Livingston County | R | 5,020 | 9,753 | 15,077 | |
| Logan County | R | 3,978 | 7,844 | 12,088 | |
| Macon County | R | 22,780 | 25,309 | 49,030 | |
| Macoupin County | R | 9,464 | 10,946 | 21,083 | |
| Madison County | R | 58,922 | 60,608 | 122,885 | |
| Marion County | R | 6,225 | 9,248 | 15,820 | |
| Marshall County | R | 2,455 | 3,290 | 5,869 | |
| Mason County | R | 2,867 | 3,265 | 6,296 | |
| Massac County | R | 2,092 | 4,278 | 6,495 | |
| McDonough County | R | 5,967 | 6,147 | 12,454 | |
| McHenry County | R | 59,797 | 71,598 | 134,237 | |
| McLean County | R | 31,883 | 39,947 | 73,469 | |
| Menard County | R | 2,100 | 3,948 | 6,151 | |
| Mercer County | D | 4,507 | 3,876 | 8,568 | |
| Monroe County | R | 6,215 | 10,888 | 17,494 | |
| Montgomery County | R | 5,058 | 6,776 | 12,188 | |
| Morgan County | R | 5,806 | 7,972 | 14,142 | |
| Moultrie County | R | 2,144 | 3,784 | 6,075 | |
| Ogle County | R | 9,514 | 13,422 | 23,367 | |
| Peoria County | D | 40,209 | 36,774 | 78,411 | |
| Perry County | R | 3,819 | 5,507 | 9,549 | |
| Piatt County | R | 3,090 | 5,413 | 8,742 | |
| Pike County | R | 2,278 | 4,860 | 7,302 | |
| Pope County | R | 650 | 1,512 | 2,222 | |
| Pulaski County | R | 1,389 | 1,564 | 3,012 | |
| Putnam County | D | 1,559 | 1,502 | 3,143 | |
| Randolph County | R | 5,759 | 8,290 | 14,438 | |
| Richland County | R | 2,362 | 4,756 | 7,282 | |
| Rock Island County | D | 39,157 | 24,934 | 65,217 | |
| Saline County | R | 3,701 | 6,806 | 10,720 | |
| Sangamon County | R | 42,107 | 50,225 | 94,297 | |
| Schuyler County | R | 1,727 | 2,069 | 3,902 | |
| Scott County | R | 910 | 1,587 | 2,568 | |
| Shelby County | R | 3,342 | 6,843 | 10,439 | |
| St. Clair County | D | 67,285 | 50,125 | 119,827 | |
| Stark County | R | 1,095 | 1,528 | 2,662 | |
| Stephenson County | R | 10,165 | 10,512 | 21,128 | |
| Tazewell County | R | 24,438 | 35,335 | 61,282 | |
| Union County | R | 3,137 | 4,957 | 8,318 | |
| Vermilion County | R | 12,878 | 16,892 | 30,400 | |
| Wabash County | R | 1,590 | 3,478 | 5,134 | |
| Warren County | D | 4,044 | 3,618 | 7,818 | |
| Washington County | R | 2,450 | 4,792 | 7,435 | |
| Wayne County | R | 1,514 | 5,988 | 7,697 | |
| White County | R | 2,188 | 4,731 | 7,082 | |
| Whiteside County | D | 14,833 | 10,448 | 25,828 | |
| Will County | D | 144,229 | 128,969 | 278,165 | |
| Williamson County | R | 10,647 | 17,909 | 29,254 | |
| Winnebago County | D | 61,732 | 55,138 | 119,397 | |
| Woodford County | R | 5,572 | 12,961 | 18,938 |
Same ballot, 2012IL
Source. MIT Election Data + Science Lab — 2012 presidential returns · official county-level results. Real returns — nothing estimated.