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United States · Election results history · 1920 Senate · Wisconsin
Election 1920 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.

1920 US Senate election in Wisconsin

Irvine L. Lenroot (Republican) beat James Thompson (independent) in Wisconsin in 1920, 41.6% to 34.7%, a margin of 6.9 points and 46,547 votes.

Wisconsin changed party: in 1914 it went Democratic, for Paul O. Husting.

Republicans led in 49 of the 71 counties as they stood then and other candidates in 22. The largest, Milwaukee, cast 138,107 votes and went to the other candidates by 31.7 points. The closest was Clark, where 9 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.

Senate

CandidatePartyVotesShare
Irvine L. Lenroot won Republican 281,576 41.6%
James Thompson Independent 235,029 34.7%
Paul S. Reinsch Democratic 89,265 13.2%
All other candidates 71,282 10.5%
Total677,152

Every county

CountyDemocratRepublicanOthersTotalMargin
Milwaukee 21,459 15.5% 36,456 26.4% 80,192 138,107 Others
Dane 3,366 11.7% 11,138 38.7% 14,293 28,797 Others
Racine 3,156 16.3% 10,199 52.7% 6,010 19,365 R+36.4
Rock 2,033 11.1% 12,440 68.1% 3,801 18,274 R+56.9
Winnebago 2,165 12.8% 8,081 47.8% 6,671 16,917 R+35.0
Marathon 2,009 11.9% 5,958 35.4% 8,864 16,831 Others
Sheboygan 1,684 10.0% 5,692 33.9% 9,431 16,807 Others
Fond Du Lac 2,662 16.5% 6,761 41.8% 6,738 16,161 R+25.4
Dodge 2,242 15.8% 4,762 33.5% 7,227 14,231 Others
Outagamie 2,353 16.9% 5,259 37.8% 6,296 13,908 Others
Brown 2,829 20.5% 5,701 41.3% 5,283 13,813 R+20.8
La Crosse 1,168 8.7% 5,063 37.8% 7,161 13,392 Others
Manitowoc 1,743 13.2% 3,134 23.8% 8,311 13,188 Others
Kenosha 1,753 14.9% 6,105 51.9% 3,915 11,773 R+37.0
Waukesha 2,611 22.6% 5,705 49.3% 3,250 11,566 R+26.8
Grant 1,803 15.9% 6,555 57.7% 3,007 11,365 R+41.8
Douglas 689 6.5% 5,802 54.5% 4,156 10,647 R+48.0
Jefferson 1,867 17.5% 3,988 37.5% 4,786 10,641 Others
Walworth 1,504 15.1% 6,216 62.5% 2,228 9,948 R+47.4
Waupaca 767 7.9% 4,510 46.2% 4,481 9,758 R+38.4
Wood 843 8.8% 3,942 41.2% 4,789 9,574 Others
Eau Claire 771 8.4% 4,503 49.1% 3,894 9,168 R+40.7
Sauk 667 7.3% 4,120 45.2% 4,326 9,113 Others
Columbia 877 10.2% 3,833 44.4% 3,928 8,638 Others
Portage 2,081 25.5% 3,274 40.1% 2,819 8,174 R+14.6
Chippewa 708 8.9% 3,883 48.8% 3,359 7,950 R+39.9
Marinette 857 10.9% 4,649 58.9% 2,381 7,887 R+48.1
Barron 383 4.9% 4,145 53.1% 3,284 7,812 R+48.2
Monroe 590 7.6% 3,844 49.4% 3,354 7,788 R+41.8
Shawano 399 5.1% 2,659 34.2% 4,727 7,785 Others
Clark 589 7.7% 3,519 46.2% 3,510 7,618 R+38.5
Washington 1,391 18.5% 2,284 30.4% 3,829 7,504 Others
St. Croix 1,177 15.7% 3,609 48.2% 2,703 7,489 R+32.5
Vernon 419 6.5% 2,761 43.0% 3,242 6,422 Others
Iowa 781 12.5% 3,075 49.1% 2,403 6,259 R+36.7
Dunn 309 5.0% 3,275 52.7% 2,626 6,210 R+47.8
Lafayette 1,192 19.2% 2,769 44.6% 2,247 6,208 R+25.4
Green 502 8.2% 2,597 42.3% 3,047 6,146 Others
Oconto 757 12.8% 2,783 47.1% 2,363 5,903 R+34.3
Langlade 1,379 23.8% 2,445 42.2% 1,973 5,797 R+18.4
Polk 372 6.6% 3,281 57.8% 2,021 5,674 R+51.3
Trempealeau 575 10.6% 2,587 47.5% 2,280 5,442 R+37.0
Ashland 568 10.5% 2,632 48.9% 2,186 5,386 R+38.3
Juneau 501 9.7% 2,691 52.2% 1,960 5,152 R+42.5
Pierce 357 7.1% 3,020 60.0% 1,659 5,036 R+52.9
Richland 829 16.5% 2,630 52.4% 1,562 5,021 R+35.9
Lincoln 602 12.0% 1,948 39.0% 2,449 4,999 Others
Waushara 348 7.4% 2,483 52.6% 1,889 4,720 R+45.2
Crawford 1,060 22.5% 1,976 41.9% 1,677 4,713 R+19.4
Calumet 577 12.4% 989 21.2% 3,091 4,657 Others
Ozaukee 813 18.0% 764 16.9% 2,937 4,514 Others
Green Lake 822 18.6% 2,043 46.3% 1,543 4,408 R+27.7
Door 194 4.5% 2,216 52.0% 1,854 4,264 R+47.4
Price 397 10.2% 1,849 47.4% 1,655 3,901 R+37.2
Jackson 295 7.7% 2,000 52.1% 1,547 3,842 R+44.4
Taylor 264 7.2% 1,455 39.5% 1,962 3,681 Others
Oneida 594 16.8% 1,792 50.7% 1,152 3,538 R+33.9
Buffalo 250 7.2% 1,679 48.2% 1,552 3,481 R+41.1
Bayfield 341 10.3% 2,079 62.8% 893 3,313 R+52.5
Kewaunee 398 12.0% 1,012 30.6% 1,895 3,305 Others
Rusk 236 7.5% 1,740 55.2% 1,177 3,153 R+47.7
Marquette 693 22.3% 1,177 37.9% 1,234 3,104 Others
Burnett 110 4.5% 1,231 50.0% 1,120 2,461 R+45.6
Washburn 164 6.7% 1,585 64.5% 709 2,458 R+57.8
Iron 114 5.6% 1,307 63.8% 626 2,047 R+58.3
Sawyer 183 9.2% 1,265 63.5% 544 1,992 R+54.3
Pepin 230 11.6% 1,326 67.1% 420 1,976 R+55.5
Adams 282 14.7% 867 45.2% 771 1,920 R+30.5
Forest 274 15.1% 1,048 57.8% 490 1,812 R+42.7
Vilas 203 16.2% 678 54.1% 373 1,254 R+37.9
Florence 84 8.5% 732 73.9% 175 991 R+65.4

Counties as they stood in 1920; 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.

Wisconsin Senate elections we hold

YearWinnerMargin
2024 Tammy Baldwin (D) D+0.8
2022 Ron Johnson (R) R+1.0
2018 Tammy Baldwin (D) D+10.8
2016 Ron Johnson (R) R+3.4
2012 Tammy Baldwin (D) D+5.5
2010 Ron Johnson (R) R+4.8
2006 Herb Kohl (D) D+37.8
2004 Russel D. Feingold (D) D+11.2
2000 Herb Kohl (D) D+24.5
1998 Russell D. Feingold (D) D+2.1
1994 Herb Kohl (D) D+17.6
1992 Russell D. Feingold (D) D+6.6
1988 Herbert H. Kohl (D) D+4.5
1986 Robert W. Kasten Jr. (R) R+3.5
1982 William Proxmire (D) D+29.5
1980 Robert W. Kasten Jr. (R) R+1.9
1976 William Proxmire (D) D+45.6
1974 Gaylord Nelson (D) D+26.0
1970 William Proxmire (D) D+42.4
1968 Gaylord Nelson (D) D+23.4
1964 William Proxmire (D) D+6.7
1962 Gaylord Nelson (D) D+5.4
1958 William Proxmire (D) D+14.4
1956 Alexander Wiley (R) R+17.4
1952 Joseph McCarthy (R) R+8.7
1950 Alexander Wiley (R) R+7.1
1946 Joseph McCarthy (R) R+23.9
1944 Alexander Wiley (R) R+7.7
1940 Robert M. La Follette Jr. (other)
1938 Alexander Wiley (R) R+20.4
1934 Robert M. La Follette Jr. (other)
1932 F. Ryan Duffy (D) D+20.8
1928 Robert La Follette Jr. (R) R+85.6
1926 John J. Blaine (R) R+42.7
1922 Robert La Follette Sr. (R) R+64.1
1920 Irvine L. Lenroot (R) R+28.4
1916 Robert La Follette Sr. (R) R+27.3
1914 Paul O. Husting (D) D+0.3