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United States · Election results history · 2018 governors · Illinois
Election 2018 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2018 Illinois governor election

JB Pritzker (Democrat) beat Bruce Rauner (Republican) in Illinois in 2018, 54.5% to 38.8%, a margin of 15.7 points and 713,995 votes.

Illinois changed party: in 2014 it went Republican, for Bruce Rauner.

Republicans led in 85 of the 102 counties and Democrats in 16 and other candidates in 1. The largest, Cook, cast 1,762,219 votes and went to the Democrat by 47.4 points. The closest was Scott, where 59 votes separated the top two.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Governor

CandidatePartyVotesShare
JB Pritzker won Democratic 2,479,746 54.5%
Bruce Rauner Republican 1,765,751 38.8%
All other candidates 302,160 6.6%
Total4,547,657

Every county

CountyDemocratRepublicanOthersTotalMargin
Cook 1,262,334 71.6% 426,196 24.2% 73,689 1,762,219 D+47.4
DuPage 176,556 47.8% 168,347 45.5% 24,685 369,588 D+2.2
Lake 128,603 51.1% 109,287 43.5% 13,538 251,428 D+7.7
Will 123,292 49.8% 107,859 43.6% 16,246 247,397 D+6.2
Kane 81,310 47.9% 77,289 45.5% 11,110 169,709 D+2.4
McHenry 48,633 41.7% 60,646 52.0% 7,285 116,564 R+10.3
Madison 46,374 44.8% 48,138 46.5% 8,983 103,495 R+1.7
St. Clair 52,603 53.0% 40,524 40.8% 6,191 99,318 D+12.2
Winnebago 43,440 45.4% 41,156 43.0% 11,135 95,731 D+2.4
Sangamon 36,538 42.5% 39,099 45.5% 10,287 85,924 R+3.0
Champaign 43,257 54.9% 29,690 37.7% 5,803 78,750 D+17.2
McLean 29,364 43.4% 32,501 48.0% 5,865 67,730 R+4.6
Peoria 31,238 48.2% 28,254 43.6% 5,256 64,748 D+4.6
Tazewell 17,859 34.6% 27,986 54.3% 5,739 51,584 R+19.6
Rock Island 25,774 50.3% 21,434 41.9% 3,995 51,203 D+8.5
Kendall 20,990 46.7% 20,442 45.5% 3,488 44,920 D+1.2
LaSalle 17,397 43.9% 19,034 48.0% 3,242 39,673 R+4.1
Macon 14,961 38.3% 20,316 52.1% 3,739 39,016 R+13.7
Kankakee 14,595 39.5% 19,249 52.0% 3,140 36,984 R+12.6
DeKalb 17,016 46.9% 16,181 44.6% 3,107 36,304 D+2.3
Williamson 9,440 35.0% 14,471 53.7% 3,023 26,934 R+18.7
Adams 6,176 25.4% 15,898 65.3% 2,284 24,358 R+39.9
Vermilion 7,573 32.7% 12,402 53.5% 3,212 23,187 R+20.8
Whiteside 9,371 43.3% 10,221 47.2% 2,071 21,663 R+3.9
Jackson 10,597 51.7% 7,921 38.6% 1,992 20,510 D+13.0
Grundy 7,319 37.4% 10,184 52.0% 2,091 19,594 R+14.6
Henry 6,997 36.1% 10,794 55.7% 1,576 19,367 R+19.6
Ogle 6,384 33.5% 10,198 53.5% 2,486 19,068 R+20.0
Macoupin 6,469 35.2% 7,872 42.9% 4,011 18,352 R+7.6
Boone 6,970 38.6% 8,792 48.7% 2,284 18,046 R+10.1
Knox 8,292 46.5% 7,831 43.9% 1,700 17,823 D+2.6
Coles 5,964 35.0% 9,159 53.7% 1,921 17,044 R+18.7
Stephenson 5,760 35.5% 8,560 52.7% 1,911 16,231 R+17.3
Woodford 4,097 25.4% 10,457 64.8% 1,587 16,141 R+39.4
Monroe 5,291 33.7% 9,348 59.5% 1,083 15,722 R+25.8
Franklin 5,227 33.5% 7,922 50.8% 2,455 15,604 R+17.3
Effingham 2,840 19.9% 9,767 68.5% 1,655 14,262 R+48.6
Clinton 3,874 27.2% 9,112 63.9% 1,273 14,259 R+36.7
Jefferson 4,408 32.0% 7,848 56.9% 1,531 13,787 R+25.0
Bureau 5,290 39.2% 6,902 51.1% 1,312 13,504 R+11.9
Christian 3,702 28.7% 6,701 52.0% 2,487 12,890 R+23.3
Marion 4,194 32.9% 7,358 57.7% 1,191 12,743 R+24.8
Lee 4,995 39.3% 6,056 47.6% 1,660 12,711 R+8.3
Fulton 5,650 44.5% 5,070 39.9% 1,982 12,702 D+4.6
Randolph 4,955 39.8% 5,939 47.7% 1,556 12,450 R+7.9
Livingston 3,345 27.5% 7,431 61.1% 1,383 12,159 R+33.6
Morgan 3,207 27.1% 5,382 45.5% 3,241 11,830 R+18.4
Montgomery 3,940 34.3% 4,669 40.7% 2,868 11,477 R+6.4
Iroquois 1,858 18.0% 7,419 71.8% 1,060 10,337 R+53.8
McDonough 4,196 40.6% 4,798 46.4% 1,341 10,335 R+5.8
Logan 2,546 25.4% 5,840 58.2% 1,648 10,034 R+32.8
Saline 3,332 34.3% 4,608 47.4% 1,779 9,719 R+13.1
Shelby 1,975 21.3% 5,694 61.3% 1,618 9,287 R+40.0
Jo Daviess 3,602 39.5% 4,900 53.7% 622 9,124 R+14.2
Perry 3,077 35.6% 4,309 49.8% 1,269 8,655 R+14.2
Jersey 2,569 29.8% 4,200 48.7% 1,852 8,621 R+18.9
Fayette 1,951 24.4% 4,407 55.1% 1,633 7,991 R+30.7
Piatt 2,180 28.3% 4,698 60.9% 836 7,714 R+32.6
Union 2,875 37.4% 3,794 49.4% 1,009 7,678 R+12.0
Crawford 2,105 30.2% 3,996 57.3% 876 6,977 R+27.1
Hancock 1,950 28.1% 4,255 61.3% 735 6,940 R+33.2
Mercer 2,546 36.8% 3,658 52.9% 714 6,918 R+16.1
Bond 2,370 35.3% 3,388 50.4% 959 6,717 R+15.2
Pike 1,232 18.4% 2,633 39.4% 2,824 6,689 Others
Douglas 1,416 22.2% 4,223 66.1% 752 6,391 R+43.9
Edgar 1,637 26.1% 3,820 61.0% 804 6,261 R+34.9
De Witt 1,539 24.7% 3,981 63.8% 718 6,238 R+39.1
Washington 1,536 24.8% 4,031 65.0% 635 6,202 R+40.2
Richland 1,800 29.2% 3,692 60.0% 664 6,156 R+30.7
Warren 2,268 36.8% 3,261 53.0% 626 6,155 R+16.1
Clark 1,823 29.9% 3,742 61.4% 531 6,096 R+31.5
Wayne 1,015 16.7% 4,340 71.6% 707 6,062 R+54.8
Carroll 1,804 30.0% 3,658 60.8% 550 6,012 R+30.8
White 1,480 24.8% 3,891 65.2% 598 5,969 R+40.4
Massac 1,527 27.8% 3,363 61.2% 608 5,498 R+33.4
Menard 1,619 30.0% 3,049 56.5% 726 5,394 R+26.5
Johnson 1,427 26.8% 3,013 56.6% 888 5,328 R+29.8
Mason 1,790 34.4% 2,599 50.0% 814 5,203 R+15.5
Moultrie 1,181 23.1% 3,271 64.0% 655 5,107 R+40.9
Ford 971 19.3% 3,495 69.3% 577 5,043 R+50.0
Clay 1,104 23.0% 3,314 69.1% 379 4,797 R+46.1
Marshall 1,428 30.6% 2,763 59.1% 482 4,673 R+28.6
Cass 1,483 31.9% 2,191 47.1% 978 4,652 R+15.2
Jasper 1,170 25.7% 2,828 62.1% 554 4,552 R+36.4
Greene 1,026 23.2% 1,844 41.7% 1,548 4,418 R+18.5
Cumberland 969 22.1% 2,809 64.0% 612 4,390 R+41.9
Lawrence 1,380 32.3% 2,589 60.5% 307 4,276 R+28.3
Wabash 1,093 27.7% 2,528 64.1% 320 3,941 R+36.4
Hamilton 881 25.7% 2,076 60.5% 475 3,432 R+34.8
Schuyler 973 31.0% 1,525 48.6% 643 3,141 R+17.6
Henderson 940 35.4% 1,488 56.0% 228 2,656 R+20.6
Putnam 1,088 42.8% 1,217 47.9% 236 2,541 R+5.1
Edwards 453 19.0% 1,745 73.0% 192 2,390 R+54.1
Pulaski 1,005 42.6% 1,094 46.3% 262 2,361 R+3.8
Calhoun 795 34.8% 898 39.3% 590 2,283 R+4.5
Alexander 1,154 53.0% 878 40.3% 144 2,176 D+12.7
Scott 388 18.5% 882 42.1% 823 2,093 R+23.6
Gallatin 779 37.7% 1,046 50.6% 241 2,066 R+12.9
Stark 586 28.8% 1,219 59.8% 233 2,038 R+31.1
Brown 402 21.3% 972 51.6% 510 1,884 R+30.3
Pope 433 24.3% 1,091 61.1% 261 1,785 R+36.9
Hardin 558 34.4% 835 51.4% 230 1,623 R+17.1

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Illinois governor elections we hold

YearWinnerMargin
2022 JB Pritzker (D) D+12.5
2018 JB Pritzker (D) D+15.7
2014 Bruce Rauner (R) R+3.9
2010 Pat Quinn (D) D+0.9
2006 Rod Blagojevich (D) D+10.5
2002 Rod R. Blagojevich (D) D+7.1
1998 George H. Ryan (R) R+3.6
1994 Jim Edgar (R) R+29.4
1990 Jim Edgar (R) R+2.6
1986 James R. Thompson (R) R+52.7
1982 James R. Thompson (R) R+0.1
1978 James R. Thompson (R) R+18.9
1976 James R. Thompson (R) R+30.1
1972 Daniel Walker (D) D+1.7
1968 Richard B. Ogilvie (R) R+2.8
1964 Otto Kerner (D) D+3.8
1960 Otto Kerner (D) D+11.2
1956 William G. Stratton (R) R+1.0
1952 William G. Stratton (R) R+5.2
1948 Adlai E. Stevenson (D) D+14.5
1944 Dwight H. Green (R) R+1.8
1940 Dwight H. Green (R) R+6.2
1936 Henry Horner (D) D+9.9
1932 Henry Horner (D) D+16.9
1928 Louis L. Emmerson (R) R+14.1
1924 Len Small (R) R+14.3
1920 Len Small (R) R+24.2
1916 Frank O. Lowden (R) R+10.6
1912 Edward F. Dunne (D) D+10.7
1908 Charles S. Deneen (R) R+2.0
1904 Charles S. Deneen (R) R+27.9
1900 Richard Yates (R) R+5.4
1896 John R. Tanner (R) R+10.4
1892 John P. Altgeld (D) D+2.6
1888 Joseph W. Fifer (R) R+1.7
1884 Richard J. Oglesby (R) R+2.2
1880 Shelby M. Cullom (R) R+5.9
1876 Shelby M. Cullom (R) R+1.2
1872 Richard J. Oglesby (R) R+54.4
1868 John McAuley Palmer (R) R+11.0