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Election 1930 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.

1930 US Senate election in Illinois

James H. Lewis (Democrat) beat Ruth H. McCormick (Republican) in Illinois in 1930, 64.0% to 30.7%, a margin of 33.3 points and 744,747 votes.

Illinois changed party: in 1924 it went Republican, for Charles S. Deneen.

Democrats led in 89 of the 102 counties as they stood then and Republicans in 13. The largest, Cook, cast 1,077,259 votes and went to the Democrat by 43.7 points. The closest was Pulaski, where 16 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
James H. Lewis won Democratic 1,432,216 64.0%
Ruth H. McCormick Republican 687,469 30.7%
All other candidates 117,419 5.2%
Total2,237,104

Every county

CountyDemocratRepublicanOthersTotalMargin
Cook 757,623 70.3% 287,290 26.7% 32,346 1,077,259 D+43.7
St. Clair 33,432 71.9% 11,963 25.7% 1,106 46,501 D+46.2
Sangamon 23,977 59.2% 13,665 33.7% 2,863 40,505 D+25.5
Madison 28,155 69.7% 10,595 26.2% 1,626 40,376 D+43.5
La Salle 23,571 64.4% 11,786 32.2% 1,247 36,604 D+32.2
Kane 17,745 52.6% 13,297 39.4% 2,684 33,726 D+13.2
Peoria 22,258 66.9% 9,465 28.4% 1,548 33,271 D+38.5
Will 19,876 60.9% 11,024 33.8% 1,752 32,652 D+27.1
Rock Island 18,432 59.8% 10,677 34.7% 1,690 30,799 D+25.2
Lake 17,037 59.7% 9,497 33.3% 2,023 28,557 D+26.4
Du Page 15,267 56.8% 7,739 28.8% 3,851 26,857 D+28.0
Winnebago 11,132 42.0% 12,852 48.5% 2,514 26,498 R+6.5
Vermilion 15,404 61.2% 7,552 30.0% 2,221 25,177 D+31.2
Macon 13,177 58.5% 6,260 27.8% 3,106 22,543 D+30.7
Adams 14,448 69.1% 5,199 24.9% 1,250 20,897 D+44.3
Champaign 11,363 54.9% 6,810 32.9% 2,518 20,691 D+22.0
McLean 10,455 51.8% 6,626 32.8% 3,114 20,195 D+19.0
Macoupin 11,755 65.8% 4,951 27.7% 1,169 17,875 D+38.1
Williamson 11,113 65.8% 4,880 28.9% 895 16,888 D+36.9
Franklin 10,730 64.1% 5,107 30.5% 907 16,744 D+33.6
Fulton 7,832 52.4% 5,898 39.4% 1,226 14,956 D+12.9
Kankakee 9,662 65.4% 4,165 28.2% 939 14,766 D+37.2
Bureau 7,889 54.0% 5,799 39.7% 910 14,598 D+14.3
Tazewell 9,813 70.6% 3,326 23.9% 768 13,907 D+46.6
Montgomery 8,193 59.5% 4,589 33.3% 987 13,769 D+26.2
Morgan 7,105 52.5% 5,544 41.0% 882 13,531 D+11.5
Knox 4,957 37.5% 7,070 53.5% 1,195 13,222 R+16.0
Coles 7,557 57.5% 4,423 33.7% 1,155 13,135 D+23.9
Christian 7,582 59.3% 4,067 31.8% 1,137 12,786 D+27.5
Jefferson 7,353 58.7% 4,275 34.2% 888 12,516 D+24.6
Henry 6,004 48.1% 5,565 44.6% 913 12,482 D+3.5
Marion 7,898 63.5% 3,867 31.1% 680 12,445 D+32.4
Saline 7,073 57.7% 4,475 36.5% 711 12,259 D+21.2
Jackson 6,868 57.2% 4,490 37.4% 641 11,999 D+19.8
Edgar 6,273 52.5% 5,069 42.4% 600 11,942 D+10.1
Hancock 6,684 57.7% 3,874 33.4% 1,029 11,587 D+24.3
McDonough 5,833 51.6% 4,699 41.6% 774 11,306 D+10.0
McHenry 6,460 58.6% 4,151 37.7% 411 11,022 D+20.9
Livingston 5,810 53.9% 3,707 34.4% 1,270 10,787 D+19.5
Stephenson 5,564 52.0% 4,025 37.6% 1,119 10,708 D+14.4
Logan 6,284 59.2% 3,679 34.7% 653 10,616 D+24.5
Iroquois 5,941 59.9% 3,236 32.6% 736 9,913 D+27.3
Whiteside 3,876 39.6% 4,919 50.3% 988 9,783 R+10.7
Fayette 5,294 54.9% 3,977 41.2% 375 9,646 D+13.7
Randolph 6,385 67.2% 2,567 27.0% 552 9,504 D+40.2
Lee 4,376 47.0% 4,253 45.7% 687 9,316 D+1.3
De Kalb 3,813 42.7% 3,756 42.1% 1,358 8,927 D+0.6
Pike 4,865 54.8% 3,221 36.3% 794 8,880 D+18.5
Shelby 4,856 55.3% 2,831 32.2% 1,100 8,787 D+23.0
Crawford 4,773 54.5% 2,984 34.1% 995 8,752 D+20.4
Clark 4,667 55.6% 3,234 38.5% 494 8,395 D+17.1
Warren 3,642 44.0% 3,290 39.8% 1,342 8,274 D+4.3
Lawrence 4,630 56.4% 2,815 34.3% 761 8,206 D+22.1
Perry 5,163 63.5% 2,452 30.2% 514 8,129 D+33.3
Ogle 3,229 40.9% 3,564 45.1% 1,106 7,899 R+4.2
Wayne 4,170 53.3% 3,328 42.5% 329 7,827 D+10.8
Clinton 5,956 78.5% 1,479 19.5% 148 7,583 D+59.0
De Witt 4,067 55.5% 2,409 32.9% 857 7,333 D+22.6
Effingham 4,544 65.0% 2,172 31.1% 276 6,992 D+33.9
Woodford 3,949 59.2% 2,041 30.6% 686 6,676 D+28.6
Grundy 3,660 55.9% 2,358 36.0% 535 6,553 D+19.9
White 3,708 56.8% 2,539 38.9% 278 6,525 D+17.9
Richland 3,599 57.7% 2,236 35.9% 401 6,236 D+21.9
Marshall 3,567 57.5% 2,353 37.9% 288 6,208 D+19.6
Alexander 3,425 55.8% 2,546 41.5% 169 6,140 D+14.3
Clay 3,302 53.8% 2,492 40.6% 340 6,134 D+13.2
Cass 4,124 68.1% 1,431 23.6% 503 6,058 D+44.5
Mason 3,771 62.9% 1,868 31.1% 361 6,000 D+31.7
Douglas 3,282 54.8% 2,131 35.6% 579 5,992 D+19.2
Bond 2,968 50.0% 2,298 38.7% 666 5,932 D+11.3
Mercer 2,358 40.4% 2,798 47.9% 680 5,836 R+7.5
Greene 3,611 61.9% 1,860 31.9% 360 5,831 D+30.0
Jasper 3,500 60.2% 2,041 35.1% 276 5,817 D+25.1
Washington 3,374 60.6% 1,914 34.4% 278 5,566 D+26.2
Schuyler 3,099 58.2% 1,841 34.6% 384 5,324 D+23.6
Jo Daviess 2,419 46.4% 1,934 37.1% 858 5,211 D+9.3
Monroe 3,645 70.1% 1,546 29.7% 10 5,201 D+40.4
Wabash 3,080 59.7% 1,401 27.1% 680 5,161 D+32.5
Union 3,468 67.4% 1,596 31.0% 81 5,145 D+36.4
Hamilton 2,869 57.6% 1,944 39.0% 170 4,983 D+18.6
Carroll 2,014 40.6% 2,189 44.1% 760 4,963 R+3.5
Piatt 2,497 51.1% 1,738 35.6% 651 4,886 D+15.5
Moultrie 2,853 58.5% 1,594 32.7% 434 4,881 D+25.8
Jersey 2,711 59.3% 1,633 35.7% 230 4,574 D+23.6
Menard 2,723 59.9% 1,472 32.4% 348 4,543 D+27.5
Cumberland 2,277 51.6% 1,933 43.8% 203 4,413 D+7.8
Ford 2,251 51.8% 1,585 36.5% 512 4,348 D+15.3
Boone 1,622 38.6% 2,272 54.0% 313 4,207 R+15.5
Gallatin 2,564 65.2% 1,259 32.0% 111 3,934 D+33.2
Scott 2,123 54.5% 1,529 39.3% 240 3,892 D+15.3
Pulaski 1,824 47.2% 1,840 47.6% 200 3,864 R+0.4
Kendall 1,819 49.4% 1,378 37.4% 486 3,683 D+12.0
Henderson 1,560 45.7% 1,609 47.1% 246 3,415 R+1.4
Brown 2,087 61.9% 930 27.6% 355 3,372 D+34.3
Johnson 1,418 46.8% 1,513 50.0% 96 3,027 R+3.1
Edwards 1,179 39.0% 1,569 51.9% 277 3,025 R+12.9
Stark 1,407 47.0% 1,382 46.1% 206 2,995 D+0.8
Massac 1,255 42.8% 1,538 52.5% 137 2,930 R+9.7
Pope 1,151 40.4% 1,669 58.5% 32 2,852 R+18.2
Calhoun 1,570 56.3% 1,121 40.2% 98 2,789 D+16.1
Hardin 1,401 52.6% 1,222 45.8% 43 2,666 D+6.7
Putnam 1,241 56.0% 847 38.2% 128 2,216 D+17.8

Counties as they stood in 1930; 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