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United States · Election results history · 1918 Senate · Illinois
Election 1918 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.

1918 US Senate election in Illinois

Medill McCormick (Republican) beat James H. Lewis (Democrat) in Illinois in 1918, 50.5% to 44.9%, a margin of 5.6 points and 53,014 votes.

Republicans led in 82 of the 102 counties as they stood then and Democrats in 20. The largest, Cook, cast 384,955 votes and went to the Democrat by 11.0 points. The closest was Wabash, where 2 votes separated the two parties.

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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.

Senate

CandidatePartyVotesShare
Medill McCormick won Republican 479,957 50.5%
James H. Lewis Democratic 426,943 44.9%
All other candidates 43,586 4.6%
Total950,486

Every county

CountyDemocratRepublicanOthersTotalMargin
Cook 201,219 52.3% 158,883 41.3% 24,853 384,955 D+11.0
St. Clair 8,767 44.9% 9,470 48.5% 1,295 19,532 R+3.6
Sangamon 7,887 43.6% 9,666 53.5% 528 18,081 R+9.8
Peoria 7,577 43.8% 9,313 53.8% 411 17,301 R+10.0
La Salle 6,918 42.2% 8,882 54.2% 583 16,383 R+12.0
Madison 6,141 41.2% 7,790 52.2% 979 14,910 R+11.1
Kane 4,376 32.2% 8,509 62.7% 693 13,578 R+30.4
Will 4,929 37.2% 7,837 59.2% 468 13,234 R+22.0
Vermilion 5,333 41.0% 7,403 56.9% 285 13,021 R+15.9
Rock Island 4,643 36.1% 6,701 52.1% 1,517 12,861 R+16.0
Adams 5,547 52.1% 4,453 41.9% 638 10,638 D+10.3
McLean 4,067 38.9% 6,102 58.3% 297 10,466 R+19.4
Winnebago 2,579 25.4% 6,618 65.1% 973 10,170 R+39.7
Macon 3,670 38.0% 5,708 59.1% 281 9,659 R+21.1
Macoupin 4,501 49.4% 4,095 44.9% 515 9,111 D+4.5
Champaign 3,151 34.8% 5,735 63.4% 163 9,049 R+28.6
Fulton 3,278 40.5% 4,485 55.4% 336 8,099 R+14.9
Williamson 2,965 37.0% 4,828 60.2% 227 8,020 R+23.2
Lake 2,381 31.3% 4,943 64.9% 293 7,617 R+33.6
Knox 2,160 28.7% 5,209 69.3% 147 7,516 R+40.6
Henry 2,077 28.7% 4,905 67.7% 262 7,244 R+39.0
Montgomery 3,562 49.7% 3,411 47.6% 192 7,165 D+2.1
Livingston 2,234 32.2% 4,614 66.5% 94 6,942 R+34.3
Christian 3,369 49.6% 3,236 47.7% 181 6,786 D+2.0
Stephenson 2,481 36.6% 3,963 58.4% 337 6,781 R+21.9
Coles 2,992 44.6% 3,645 54.4% 69 6,706 R+9.7
Bureau 2,752 41.2% 3,746 56.1% 177 6,675 R+14.9
Jackson 2,580 39.3% 3,879 59.0% 111 6,570 R+19.8
Morgan 2,948 46.1% 3,363 52.6% 83 6,394 R+6.5
Kankakee 2,306 36.2% 3,959 62.2% 101 6,366 R+26.0
Franklin 2,805 44.2% 3,244 51.1% 304 6,353 R+6.9
Tazewell 2,748 43.3% 3,423 53.9% 180 6,351 R+10.6
Hancock 3,025 47.7% 3,173 50.1% 139 6,337 R+2.3
Marion 3,029 49.3% 2,879 46.9% 237 6,145 D+2.4
Du Page 1,829 29.8% 3,951 64.4% 356 6,136 R+34.6
Edgar 2,963 49.9% 2,904 48.9% 75 5,942 D+1.0
Whiteside 1,411 24.1% 4,307 73.6% 131 5,849 R+49.5
Shelby 2,950 50.8% 2,766 47.6% 96 5,812 D+3.2
Saline 2,117 36.5% 3,452 59.5% 234 5,803 R+23.0
Iroquois 1,847 32.6% 3,716 65.5% 107 5,670 R+33.0
McDonough 2,065 37.2% 3,381 60.9% 106 5,552 R+23.7
Jefferson 2,623 48.1% 2,759 50.6% 74 5,456 R+2.5
Randolph 2,098 39.4% 3,082 57.8% 149 5,329 R+18.5
McHenry 1,609 30.2% 3,578 67.3% 133 5,320 R+37.0
Logan 2,198 41.3% 2,982 56.1% 139 5,319 R+14.7
Pike 2,772 53.1% 2,331 44.6% 120 5,223 D+8.4
Fayette 2,229 43.0% 2,810 54.3% 139 5,178 R+11.2
De Kalb 1,146 22.4% 3,815 74.5% 158 5,119 R+52.1
Ogle 1,204 23.6% 3,819 74.8% 80 5,103 R+51.2
Lee 1,497 29.7% 3,424 67.9% 119 5,040 R+38.2
Crawford 2,265 45.9% 2,576 52.2% 91 4,932 R+6.3
Clark 2,188 46.0% 2,517 53.0% 47 4,752 R+6.9
Warren 1,653 36.1% 2,854 62.3% 76 4,583 R+26.2
Perry 1,805 40.2% 2,503 55.8% 181 4,489 R+15.5
Jo Daviess 1,478 34.7% 2,628 61.6% 157 4,263 R+27.0
Wayne 1,727 40.6% 2,485 58.4% 43 4,255 R+17.8
White 2,038 48.8% 2,076 49.7% 65 4,179 R+0.9
Lawrence 1,919 46.4% 2,153 52.0% 67 4,139 R+5.7
De Witt 1,686 42.3% 2,251 56.4% 53 3,990 R+14.2
Mercer 1,235 32.6% 2,495 65.9% 58 3,788 R+33.3
Clinton 1,350 36.9% 1,580 43.2% 728 3,658 R+6.3
Woodford 1,339 36.7% 2,232 61.3% 73 3,644 R+24.5
Alexander 1,324 36.6% 2,267 62.7% 25 3,616 R+26.1
Effingham 1,679 46.7% 1,839 51.1% 81 3,599 R+4.4
Greene 1,955 55.3% 1,535 43.4% 46 3,536 D+11.9
Cass 1,959 55.7% 1,459 41.5% 99 3,517 D+14.2
Douglas 1,348 39.0% 2,052 59.4% 57 3,457 R+20.4
Washington 984 28.5% 2,274 65.9% 193 3,451 R+37.4
Clay 1,480 43.3% 1,888 55.3% 48 3,416 R+11.9
Jasper 1,674 49.5% 1,690 49.9% 21 3,385 R+0.5
Mason 1,631 50.2% 1,598 49.2% 22 3,251 D+1.0
Marshall 1,313 40.7% 1,855 57.5% 59 3,227 R+16.8
Hamilton 1,570 48.8% 1,583 49.3% 61 3,214 R+0.4
Union 1,862 59.9% 1,225 39.4% 24 3,111 D+20.5
Schuyler 1,515 50.4% 1,437 47.9% 51 3,003 D+2.6
Carroll 621 20.7% 2,300 76.7% 79 3,000 R+56.0
Grundy 814 27.7% 2,091 71.0% 38 2,943 R+43.4
Richland 1,421 48.3% 1,457 49.6% 62 2,940 R+1.2
Cumberland 1,374 46.9% 1,522 51.9% 34 2,930 R+5.1
Ford 695 24.4% 2,085 73.1% 72 2,852 R+48.7
Moultrie 1,347 47.3% 1,474 51.8% 25 2,846 R+4.5
Piatt 981 34.6% 1,819 64.2% 32 2,832 R+29.6
Bond 870 31.3% 1,808 64.9% 106 2,784 R+33.7
Monroe 840 30.4% 1,840 66.6% 81 2,761 R+36.2
Wabash 1,268 48.6% 1,266 48.5% 74 2,608 D+0.1
Menard 1,231 47.6% 1,329 51.4% 24 2,584 R+3.8
Jersey 1,215 50.9% 1,149 48.1% 24 2,388 D+2.8
Boone 484 20.3% 1,845 77.6% 50 2,379 R+57.2
Pulaski 848 35.8% 1,507 63.7% 11 2,366 R+27.9
Gallatin 1,199 54.2% 962 43.5% 53 2,214 D+10.7
Scott 1,146 51.8% 1,046 47.2% 22 2,214 D+4.5
Johnson 716 32.6% 1,451 66.0% 30 2,197 R+33.5
Massac 354 17.6% 1,628 81.1% 26 2,008 R+63.4
Edwards 473 24.3% 1,457 74.7% 20 1,950 R+50.5
Stark 563 30.2% 1,282 68.8% 18 1,863 R+38.6
Henderson 533 30.3% 1,196 67.9% 32 1,761 R+37.6
Kendall 345 20.2% 1,351 79.0% 14 1,710 R+58.8
Brown 1,015 61.7% 621 37.7% 10 1,646 D+23.9
Pope 420 26.3% 1,167 73.0% 11 1,598 R+46.7
Calhoun 712 52.9% 615 45.7% 19 1,346 D+7.2
Hardin 570 43.5% 722 55.1% 18 1,310 R+11.6
Putnam 356 31.4% 768 67.7% 10 1,134 R+36.3

Counties as they stood in 1918; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Illinois Senate elections we hold

YearWinnerMargin
2022 Tammy Duckworth (D) D+15.3
2020 Richard J Durbin (D) D+16.0
2016 Tammy Duckworth (D) D+15.1
2014 Dick Durbin (D) D+10.9
2010 Mark Kirk (R) R+1.6
2008 Richard J. Durbin (D) D+39.3
2004 Barack Obama (D) D+42.9
2002 Richard J. Durbin (D) D+22.3
1998 Peter G. Fitzgerald (R) R+2.9
1996 Richard J. Durbin (D) D+15.4
1992 Carol Moseley-Braun (D) D+10.2
1990 Paul Simon (D) D+30.1
1986 Alan J. Dixon (D) D+31.4
1984 Paul Simon (D) D+1.9
1980 Alan J. Dixon (D) D+13.5
1978 Charles H. Percy (R) R+7.9
1974 Adlai Stevenson III (D) D+24.9
1972 Charles H. Percy (R) R+24.9
1968 Everett Dirksen (R) R+6.4
1966 Charles H. Percy (R) R+11.0
1962 Everett Dirksen (R) R+5.7
1960 Paul H. Douglas (D) D+9.4
1956 Everett Dirksen (R) R+8.4
1954 Paul H. Douglas (D) D+7.1
1950 Everett Dirksen (R) R+8.1
1948 Paul H. Douglas (D) D+10.5
1944 Scott W. Lucas (D) D+5.6
1942 C. Wayland Brooks (R) R+6.8
1938 Scott W. Lucas (D) D+3.0
1936 James H. Lewis (D) D+15.8
1932 William H. Dieterich (D) D+6.2
1930 James H. Lewis (D) D+33.3
1926 Frank L. Smith (R) R+3.7
1924 Charles S. Deneen (R) R+28.2
1920 William B. McKinley (R) R+40.0
1918 Medill McCormick (R) R+5.6
1914 Lawrence Y. Sherman (R) R+1.7