Wisconsin Senate
Next vote Tue, Nov 7, 2028 · Held by Tammy Baldwin Democratic since Jan 2013 (not on the ballot this year), Ron Johnson Republican since Jan 2011 (not on the ballot this year)
This seat has no race on the official 2026 list.
More about this seat
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Official results for Wisconsin
History (17 elections for this seat)
- Votes for listed candidates
- 3,390,787
- Election day
- November 5, 2024
US Senate, Wisconsin, 2024, every candidate Candidate Party Votes and share Share DemocraticTammy BaldwinWon Democratic 1,672,77749.3% RepublicanEric Hovde Republican 1,643,99648.5% IndependentPhil Anderson Independent 42,3151.2% IndependentThomas Leager Independent 28,7510.8% OtherOther Other 2,9480.1% - Votes for listed candidates
- 2,652,477
- Election day
- November 8, 2022
US Senate, Wisconsin, 2022, every candidate Candidate Party Votes and share Share RepublicanRon JohnsonWon Republican 1,337,18550.4% DemocraticMandela Barnes Democratic 1,310,46749.4% Scattered write-insName as filed: Scattering Write-in 4,7580.2% OtherOther Other 670.0% - Votes for listed candidates
- 2,657,841
- Election day
- November 6, 2018
US Senate, Wisconsin, 2018, every candidate Candidate Party Votes and share Share DemocraticTammy BaldwinWon Democratic 1,472,91455.4% RepublicanLeah Vukmir Republican 1,184,88544.6% Scattered write-ins Write-in 420.0% - Votes for listed candidates
- 2,948,741
- Election day
- November 8, 2016
US Senate, Wisconsin, 2016, every candidate Candidate Party Votes and share Share RepublicanRon JohnsonWon Republican 1,479,47150.2% DemocraticRuss Feingold Democratic 1,380,33546.8% LibertarianPhilip N. Anderson Libertarian 87,5313.0% Scattered write-insName as filed: Scatter Write-in 1,3960.0% Scattered write-ins Write-in 80.0% - Votes for listed candidates
- 3,009,411
- Election day
- November 6, 2012
US Senate, Wisconsin, 2012, every candidate Candidate Party Votes and share Share DemocraticTammy BaldwinWon Democratic 1,547,10451.4% RepublicanTommy G. Thompson Republican 1,380,12645.9% LibertarianJoseph Kexel Libertarian 62,2402.1% OtherNimrod Y. U. Allen III Other 16,4550.5% Scattered write-insName as filed: Scatter Write-in 3,3730.1% Scattered write-ins Write-in 1130.0% - Votes for listed candidates
- 2,170,693
- Election day
- November 2, 2010
US Senate, Wisconsin, 2010, every candidate Candidate Party Votes and share Share RepublicanRon JohnsonWon Republican 1,125,99951.9% DemocraticRussell D. Feingold Democratic 1,020,95847.0% OtherRob Taylor Other 23,4731.1% RepublicanErnest J. Pagels, Jr. Republican 1340.0% IndependentMichael D. Laforest Independent 1290.0% - Votes for listed candidates
- 2,138,297
- Election day
- November 7, 2006
US Senate, Wisconsin, 2006, every candidate Candidate Party Votes and share Share DemocraticHerb KohlWon Democratic 1,439,21467.3% RepublicanRobert Gerald Lorge Republican 630,29929.5% GreenRae Vogeler Green 42,4342.0% IndependentBen J. Glatzel Independent 25,0961.2% Scattered write-insName as filed: Scatter Write-in 1,2540.1% - Votes for listed candidates
- 2,948,909
- Election day
- November 2, 2004
US Senate, Wisconsin, 2004, every candidate Candidate Party Votes and share Share DemocraticRussel D. FeingoldWon Democratic 1,632,69755.4% RepublicanTim Michels Republican 1,301,18344.1% LibertarianArif Khan Libertarian 8,3670.3% IndependentEugene A. Hem Independent 6,6620.2% - Votes for listed candidates
- 2,540,083
- Election day
- November 7, 2000
US Senate, Wisconsin, 2000, every candidate Candidate Party Votes and share Share DemocraticHerb KohlWon Democratic 1,563,23861.5% RepublicanJohn Gillespie Republican 940,74437.0% LibertarianTim Peterson Libertarian 21,3480.8% IndependentEugene A. Hem Independent 9,5550.4% OtherRobert R. Raymond Other 4,2960.2% Scattered write-insName as filed: Scatter Write-in 9020.0% - Votes for listed candidates
- 1,760,130
- Election day
- November 3, 1998
US Senate, Wisconsin, 1998, every candidate Candidate Party Votes and share Share DemocraticRussell D. FeingoldWon Democratic 890,05950.6% RepublicanMark W. Neumann Republican 852,27248.4% OtherRobert R. Raymond Other 7,9420.5% LibertarianTom Ender Libertarian 5,5910.3% IndependentEugene A. Hem Independent 4,2660.2% - Votes for listed candidates
- 1,565,628
- Election day
- November 8, 1994
US Senate, Wisconsin, 1994, every candidate Candidate Party Votes and share Share DemocraticHerb KohlWon Democratic 912,66258.3% RepublicanRobert T. Welch Republican 636,98940.7% LibertarianJames Dean Libertarian 15,4391.0% Scattered write-insName as filed: Scatter Write-in 5380.0% - Votes for listed candidates
- 2,454,665
- Election day
- November 3, 1992
US Senate, Wisconsin, 1992, every candidate Candidate Party Votes and share Share DemocraticRussell D. FeingoldWon Democratic 1,290,66252.6% RepublicanRobert W. Kasten Jr. Republican 1,129,59946.0% IndependentPatrick W. Johnson Independent 16,5130.7% LibertarianWilliam Bittner Libertarian 9,1470.4% IndependentMervin A. Hanson, Sr. Independent 3,2640.1% IndependentRobert L. Kundert Independent 2,7470.1% IndependentJoseph Selliken Independent 2,7330.1% - Votes for listed candidates
- 2,168,190
- Election day
- November 8, 1988
US Senate, Wisconsin, 1988, every candidate Candidate Party Votes and share Share DemocraticHerbert H. KohlWon Democratic 1,128,62552.1% RepublicanSusan Engeleiter Republican 1,030,44047.5% IndependentGeorge W. Zaehringer Independent 3,9650.2% IndependentPatricia Grogan Independent 3,0290.1% IndependentArlyn F. Wollenburg Independent 1,1980.1% Scattered write-insName as filed: Scatter Write-in 9330.0% - Votes for listed candidates
- 1,483,174
- Election day
- November 4, 1986
US Senate, Wisconsin, 1986, every candidate Candidate Party Votes and share Share RepublicanRobert W. Kasten Jr.Won Republican 754,57350.9% DemocraticEdward R. Garvey Democratic 702,96347.4% IndependentPeter Y. Taylor Sr. Independent 19,2661.3% OtherMargo Storsteen Other 2,9260.2% OtherEugene A. Hem Other 2,2340.2% Scattered write-insName as filed: Scatter Write-in 1,2120.1% - Votes for listed candidates
- 1,544,883
- Election day
- November 2, 1982
US Senate, Wisconsin, 1982, every candidate Candidate Party Votes and share Share DemocraticWilliam ProxmireWon Democratic 983,31163.6% RepublicanScott McCallum Republican 527,35534.1% OtherWilliam Osborne Hart Other 21,8071.4% LibertarianGeorge Liljenfeldt Libertarian 7,9470.5% OtherSanford G. Knapp Other 4,4630.3% - Votes for listed candidates
- 2,204,202
- Election day
- November 4, 1980
US Senate, Wisconsin, 1980, every candidate Candidate Party Votes and share Share RepublicanRobert W. Kasten Jr.Won Republican 1,106,31150.2% DemocraticGaylord A. Nelson Democratic 1,065,48748.3% OtherJames P. Wickstrom Other 16,1560.7% LibertarianBervin J. Larson Libertarian 9,6790.4% OtherSusan L. Hagen Other 6,5020.3% Scattered write-ins Write-in 670.0% - Votes for listed candidates
- 1,935,183
- Election day
- November 2, 1976
US Senate, Wisconsin, 1976, every candidate Candidate Party Votes and share Share DemocraticWilliam ProxmireWon Democratic 1,396,97072.2% RepublicanStanley York Republican 521,90227.0% OtherWilliam O. Hart Other 7,3540.4% OtherRobert Schwarz Other 4,8760.3% OtherMichael A. Maclaurin Other 2,1480.1% OtherRobert E. Nordlander Other 1,7310.1% Scattered write-insName as filed: Scatter Write-in 2020.0%
1976 to 2024: MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024, retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
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Cite this page
Election Wrld. (2026). US Senate in Wisconsin, election results. https://www.electionwrld.com/wi/us-senate. Retrieved October 31, 2026.
Sources
Sources: U.S. Senate: senators contact information XML (class per senator) (US government work, public domain), retrieved Oct 28, 2026; MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024 (CC0 1.0), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; unitedstates/congress-legislators (current) (CC0-1.0), retrieved Oct 28, 2026, compiled by the @unitedstates project volunteers (rosters from official congressional sources) from official returns, not an official source.
DataState data (JSON)Sources: MIT Election Data and Science Lab, U.S. Senate statewide 1976-2024Data as of Oct 28, 2026