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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2012/US Senate/Wisconsin
      2012·US Senate·Wisconsin

      Wisconsin US Senate

      Winner
      DEM
      Tammy Baldwin
      51.4%1,547,104 votes
      Runner-up
      REP
      Tommy G Thompson
      45.9%1,380,126 votes
      Margin
      D+5.5
      3,009,411 total votes
      3 candidates3,009,411 total votes
      CandidatePartyVotes ▼%Vote Share
      Tammy BaldwinDEM✓
      		DEM1,547,10451.4%
      Tommy G ThompsonREP
      		REP1,380,12645.9%
      OtherOTH
      		OTH82,1812.7%

      Seat History

      US Senate in Wisconsin(Class II)

      2024
      Tammy BaldwinDEM
      D+0.8
      2022
      Ronald B JohnsonREP
      R+1.0
      2018
      Tammy BaldwinDEM
      D+10.8
      2016
      Ronald B JohnsonREP
      R+3.4
      2010
      Ronald B JohnsonREP
      R+4.8
      2006
      Herb KohlDEM
      D+37.8
      2004
      Russell D FeingoldDEM
      D+11.2
      2000
      Herb KohlDEM
      D+24.5
      1998
      Russell D FeingoldDEM
      D+2.1
      1994
      Herb KohlDEM
      D+17.6
      1992
      Russell D FeingoldDEM
      D+6.6
      1988
      Herb KohlDEM
      D+4.5
      1986
      Bob KastenREP
      R+3.5
      1982
      William ProxmireDEM
      D+29.5
      View all US Senate history for Wisconsin →

      Candidates

      Tammy BaldwinDEM
      Record13W-0L
      Avg MarginD+31.8
      Career1992-2024
      US Senate / US House / State House
      Full profile →
      Tommy G ThompsonDEM
      Record21W-7L
      Avg MarginR+2.5
      Career1972-2016
      State House / US Senate / Governor
      Full profile →

      Also in Wisconsin, 2012

      President1 contest →US House8 contests →
      ← All 2012 US Senate races2012 overviewWisconsin profileAll elections