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Illinois · 2012 presidential election

Illinois presidential election results 2012

Barack Obama carried Illinois by 16.87 points (884,296 votes), winning 20 electoral votes.

Electoral votes
20
Votes counted
5,242,014
IL result
D+16.9
Compared with the nation
13.0 pts more Democratic
Swing since 2008
8.3 pts to R

Statewide result

CandidatePartyVotesShareBarElectoral votes
Barack ObamaDemocratic3,019,51257.60%20
Mitt RomneyRepublican2,135,21640.70%—
Total votes5,242,014

Sources: IL.xls · 2012

County resultsMIT Election Lab

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MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)
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Bond County: Mitt Romney +14.7Brown County: Mitt Romney +30.7Champaign County: Barack Obama +7.0Coles County: Mitt Romney +11.1Cumberland County: Mitt Romney +35.3Effingham County: Mitt Romney +52.0Franklin County: Mitt Romney +16.8Hamilton County: Mitt Romney +32.9Henry County: Barack Obama +3.1Jackson County: Barack Obama +14.4Jasper County: Mitt Romney +41.2Kane County: Barack Obama +1.1Lee County: Mitt Romney +7.3Logan County: Mitt Romney +32.1Marion County: Mitt Romney +19.2Menard County: Mitt Romney +30.0Moultrie County: Mitt Romney +27.1Perry County: Mitt Romney +17.7Putnam County: Barack Obama +1.8Schuyler County: Mitt Romney +8.8Stark County: Mitt Romney +16.3Tazewell County: Mitt Romney +17.8Washington County: Mitt Romney +31.6Woodford County: Mitt Romney +39.1Alexander County: Barack Obama +13.7Boone County: Mitt Romney +5.7Bureau County: Mitt Romney +0.2Carroll County: Barack Obama +1.5Clark County: Mitt Romney +32.5Crawford County: Mitt Romney +31.7DeKalb County: Barack Obama +5.5Douglas County: Mitt Romney +36.8DuPage County: Barack Obama +1.1Edwards County: Mitt Romney +51.1Fayette County: Mitt Romney +34.5Ford County: Mitt Romney +42.8Fulton County: Barack Obama +11.0Grundy County: Mitt Romney +8.9Mercer County: Barack Obama +7.4Jefferson County: Mitt Romney +22.8Kankakee County: Mitt Romney +3.4Kendall County: Mitt Romney +3.3LaSalle County: Mitt Romney +0.4Lawrence County: Mitt Romney +30.8Livingston County: Mitt Romney +31.5McDonough County: Mitt Romney +1.4McHenry County: Mitt Romney +8.8Macoupin County: Mitt Romney +7.1Mason County: Mitt Romney +6.3Massac County: Mitt Romney +33.7Monroe County: Mitt Romney +26.8Morgan County: Mitt Romney +15.4Ogle County: Mitt Romney +16.7Peoria County: Barack Obama +4.4Piatt County: Mitt Romney +26.7Pulaski County: Mitt Romney +5.8Richland County: Mitt Romney +32.9Saline County: Mitt Romney +29.0Sangamon County: Mitt Romney +8.6Stephenson County: Mitt Romney +1.6Vermilion County: Mitt Romney +13.2Wayne County: Mitt Romney +58.3Whiteside County: Barack Obama +17.5Will County: Barack Obama +5.5Adams County: Mitt Romney +35.2Cass County: Mitt Romney +13.5Clay County: Mitt Romney +44.1De Witt County: Mitt Romney +26.9Edgar County: Mitt Romney +32.8Greene County: Mitt Romney +25.4Hardin County: Mitt Romney +34.0Henderson County: Barack Obama +12.2Iroquois County: Mitt Romney +44.6Johnson County: Mitt Romney +42.2Knox County: Barack Obama +17.4McLean County: Mitt Romney +11.0Marshall County: Mitt Romney +14.3Montgomery County: Mitt Romney +14.2Pope County: Mitt Romney +38.8St. Clair County: Barack Obama +14.4Warren County: Barack Obama +5.5Williamson County: Mitt Romney +24.9Gallatin County: Mitt Romney +18.0Hancock County: Mitt Romney +17.8Jersey County: Mitt Romney +23.8Jo Daviess County: Barack Obama +1.2Lake County: Barack Obama +8.3Macon County: Mitt Romney +5.2Madison County: Mitt Romney +1.4Calhoun County: Mitt Romney +14.0Christian County: Mitt Romney +23.1Clinton County: Mitt Romney +30.0Cook County: Barack Obama +49.4Pike County: Mitt Romney +35.4Randolph County: Mitt Romney +17.6Rock Island County: Barack Obama +21.9Scott County: Mitt Romney +26.5Shelby County: Mitt Romney +33.7Union County: Mitt Romney +22.0Wabash County: Mitt Romney +36.8White County: Mitt Romney +36.0Winnebago County: Barack Obama +5.5
Each county coloured by its winner and shaded by margin. Tap one for its history.
County Barack ObamaMitt RomneyOthers TotalMargin
Adams 9,64820,416543 30,607 35.2
Alexander 1,9651,48749 3,501 13.7
Bond 3,0204,095221 7,336 14.7
Boone 9,88311,096386 21,365 5.7
Brown 7871,51364 2,364 30.7
Bureau 8,1348,164333 16,631 0.2
Calhoun 1,0801,44056 2,576 14.0
Carroll 3,6653,555166 7,386 1.5
Cass 2,0532,707102 4,862 13.5
Champaign 40,83135,3122,216 78,359 7.0
Christian 5,4948,885322 14,701 23.1
Clark 2,5915,144125 7,860 32.5
Clay 1,5844,190134 5,908 44.1
Clinton 5,59610,524330 16,450 30.0
Coles 9,26211,631465 21,358 11.1
Cook 1,488,537495,54227,518 2,011,597 49.4
Crawford 2,8585,585166 8,609 31.7
Cumberland 1,6413,509145 5,295 35.3
De Witt 2,6014,579165 7,345 26.9
DeKalb 21,20718,934951 41,092 5.5
Douglas 2,4305,334133 7,897 36.8
DuPage 199,460195,0466,573 401,079 1.1
Edgar 2,5655,132122 7,819 32.8
Edwards 7542,40569 3,228 51.1
Effingham 3,86112,501251 16,613 52.0
Fayette 2,8535,951167 8,971 34.5
Ford 1,6564,229121 6,006 42.8
Franklin 7,25410,267393 17,914 16.8
Fulton 8,3286,632396 15,356 11.0
Gallatin 1,0291,49252 2,573 18.0
Greene 2,0233,451148 5,622 25.4
Grundy 9,45111,343450 21,244 8.9
Hamilton 1,2692,566106 3,941 32.9
Hancock 3,6505,271190 9,111 17.8
Hardin 7421,53553 2,330 34.0
Henderson 1,9781,54149 3,568 12.2
Henry 12,33211,583407 24,322 3.1
Iroquois 3,4139,120251 12,784 44.6
Jackson 13,3199,864829 24,012 14.4
Jasper 1,4363,51493 5,043 41.2
Jefferson 6,0899,811420 16,320 22.8
Jersey 3,6676,039253 9,959 23.8
Jo Daviess 5,6675,534228 11,429 1.2
Johnson 1,5723,963137 5,672 42.2
Kane 90,33288,3352,975 181,642 1.1
Kankakee 21,59523,136778 45,509 3.4
Kendall 22,47124,047777 47,295 3.3
Knox 13,4519,408419 23,278 17.4
LaSalle 23,07323,256930 47,259 0.4
Lake 153,757129,7643,972 287,493 8.3
Lawrence 2,0113,857121 5,989 30.8
Lee 6,9378,059305 15,301 7.3
Livingston 5,0209,753266 15,039 31.5
Logan 3,9787,844231 12,053 32.1
Macon 22,78025,309810 48,899 5.2
Macoupin 9,46410,946600 21,010 7.1
Madison 58,92260,6082,943 122,473 1.4
Marion 6,2259,248291 15,764 19.2
Marshall 2,4553,290105 5,850 14.3
Mason 2,8673,265140 6,272 6.3
Massac 2,0924,278125 6,495 33.7
McDonough 5,9676,147340 12,454 1.4
McHenry 59,79771,5982,449 133,844 8.8
McLean 31,88339,9471,552 73,382 11.0
Menard 2,1003,948103 6,151 30.0
Mercer 4,5073,876151 8,534 7.4
Monroe 6,21510,888329 17,432 26.8
Montgomery 5,0586,776299 12,133 14.2
Morgan 5,8067,972318 14,096 15.4
Moultrie 2,1443,784129 6,057 27.1
Ogle 9,51413,422431 23,367 16.7
Peoria 40,20936,7741,428 78,411 4.4
Perry 3,8195,507223 9,549 17.7
Piatt 3,0905,413204 8,707 26.7
Pike 2,2784,860148 7,286 35.4
Pope 6501,51260 2,222 38.8
Pulaski 1,3891,56450 3,003 5.8
Putnam 1,5591,50274 3,135 1.8
Randolph 5,7598,290343 14,392 17.6
Richland 2,3624,756164 7,282 32.9
Rock Island 39,15724,934925 65,016 21.9
Saline 3,7016,806213 10,720 29.0
Sangamon 42,10750,2251,965 94,297 8.6
Schuyler 1,7272,06994 3,890 8.8
Scott 9101,58758 2,555 26.5
Shelby 3,3426,843210 10,395 33.7
St. Clair 67,28550,1252,056 119,466 14.4
Stark 1,0951,52839 2,662 16.3
Stephenson 10,16510,512378 21,055 1.6
Tazewell 24,43835,3351,275 61,048 17.8
Union 3,1374,957188 8,282 22.0
Vermilion 12,87816,892544 30,314 13.2
Wabash 1,5903,47866 5,134 36.8
Warren 4,0443,618131 7,793 5.5
Washington 2,4504,792163 7,405 31.6
Wayne 1,5145,988178 7,680 58.3
White 2,1884,731145 7,064 36.0
Whiteside 14,83310,334487 25,654 17.5
Will 144,229128,9694,189 277,387 5.5
Williamson 10,64717,909587 29,143 24.9
Winnebago 61,73255,1382,114 118,984 5.5
Woodford 5,57212,961341 18,874 39.1

Candidate votes as printed in the document. “Total” is the document’s total where it prints one, otherwise the sum of the candidate columns. Margin is the leading ticket’s lead in points over the second.

Notes on how this document was read
  • Secondary source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records).

Method: Machine-readable dataset; county sums checked against the state totals in The American Presidency Project summary (within 0.5% for both main tickets).

Questions and answers

Who won Illinois in 2012?

Barack Obama won Illinois by 16.87 percentage points (884,296 votes).

How many electoral votes did Illinois have in 2012?

Illinois cast 20 electoral votes in 2012.

How many people voted for president in Illinois in 2012?

5,242,014 votes were counted for president.

How many counties did each candidate win in Illinois in 2012?

Mitt Romney 79, Barack Obama 23 (out of 102 counties with results).

How did Illinois change from 2008 to 2012?

The margin moved 8.3 points toward the Republican ticket, from Democratic by 25.1 points to Democratic by 16.9 points.

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data