Akashic
1876–2024
Elections / 2008 · Dem primary · IL

Obama led Illinois's 2008 Democratic presidential primary.

County-level returns aggregated statewide; Obama led by 31.9 points. This is the Democratic nominating contest — the November result is on the general-election page.

Statewide result
Illinois 2008 Democratic presidential primary — county returns aggregated statewide.
CandidateVotesShare
Obama1,318,23464.7%
Clinton667,93032.8%
Other52,4502.6%
By county (102)
Each row links to the county's full place page.
CountyLed byMarginVotes
Cook CountyObama+39.81,079,079
DuPage CountyObama+24.6132,524
Lake CountyObama+26.792,934
Will CountyObama+21.888,357
Kane CountyObama+27.252,198
St. Clair CountyObama+37.843,063
Madison CountyObama+5.140,347
McHenry CountyObama+26.633,439
Winnebago CountyObama+27.032,890
Rock Island CountyObama+26.925,784
Champaign CountyObama+49.923,102
Peoria CountyObama+35.722,698
Sangamon CountyObama+47.021,059
McLean CountyObama+46.318,302
Macon CountyObama+22.715,252
Tazewell CountyObama+18.415,105
LaSalle CountyObama+7.613,869
DeKalb CountyObama+36.812,756
Kankakee CountyObama+25.811,240
Kendall CountyObama+25.210,965
Williamson CountyObama+0.49,242
Franklin CountyClinton+8.38,568
Jackson CountyObama+28.28,039
Vermilion CountyObama+15.08,022
Knox CountyObama+26.67,347
Jefferson CountyClinton+2.57,234
Macoupin CountyObama+11.97,159
Adams CountyObama+18.16,513
Whiteside CountyObama+23.96,458
Fulton CountyObama+16.86,422
Henry CountyObama+23.65,942
Marion CountyObama+2.15,942
Grundy CountyObama+7.15,811
Christian CountyObama+18.95,477
Ogle CountyObama+22.95,371
Coles CountyObama+24.05,203
Stephenson CountyObama+32.15,120
Saline CountyClinton+5.95,074
Randolph CountyObama+11.24,897
Boone CountyObama+12.74,811
Union CountyClinton+9.44,548
Monroe CountyObama+1.14,245
Bureau CountyObama+23.24,058
Clinton CountyObama+3.73,684
Montgomery CountyObama+3.53,663
Lee CountyObama+18.93,515
Effingham CountyObama+17.33,415
McDonough CountyObama+35.93,238
Woodford CountyObama+28.93,202
Morgan CountyObama+31.93,147
Perry CountyClinton+6.53,075
Shelby CountyObama+10.83,031
Jersey CountyObama+0.72,721
Livingston CountyObama+15.32,686
Mercer CountyObama+25.12,658
Jo Daviess CountyObama+35.42,612
Hancock CountyObama+18.82,470
White CountyClinton+0.32,407
Mason CountyObama+22.92,403
Fayette CountyObama+1.52,298
Clay CountyObama+3.42,108
Crawford CountyObama+7.92,054
Hamilton CountyClinton+7.82,054
Logan CountyObama+21.22,037
Massac CountyClinton+9.72,034
Alexander CountyObama+18.61,997
Clark CountyObama+0.21,986
Piatt CountyObama+24.31,971
Warren CountyObama+25.61,933
Bond CountyObama+0.31,932
Iroquois CountyObama+12.51,844
Carroll CountyObama+31.71,799
Washington CountyObama+1.71,784
Wayne CountyObama+2.01,767
Pike CountyObama+8.81,766
Richland CountyObama+22.21,742
De Witt CountyObama+18.41,740
Douglas CountyObama+25.81,739
Gallatin CountyClinton+11.31,735
Moultrie CountyObama+17.51,603
Lawrence CountyClinton+3.31,588
Greene CountyObama+6.71,574
Edgar CountyObama+13.11,543
Jasper CountyObama+16.41,500
Marshall CountyObama+21.01,393
Johnson CountyClinton+12.91,317
Cumberland CountyObama+7.81,236
Cass CountyObama+14.71,235
Wabash CountyObama+5.51,234
Menard CountyObama+26.71,205
Calhoun CountyClinton+13.91,150
Henderson CountyObama+19.11,123
Putnam CountyObama+12.01,086
Pulaski CountyObama+24.01,082
Schuyler CountyObama+22.31,010
Hardin CountyClinton+20.7976
Ford CountyObama+14.5963
Pope CountyClinton+14.6632
Brown CountyObama+10.5630
Scott CountyObama+20.9623
Stark CountyObama+31.1604
Edwards CountyObama+7.1594