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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2018/US Senate/Wisconsin
      2018·US Senate·Wisconsin

      Wisconsin US Senate

      Winner
      DEM
      Tammy Baldwin
      55.4%1,472,914 votes
      Runner-up
      REP
      Leah Vukmir
      44.5%1,184,885 votes
      Margin
      D+10.8
      2,660,763 total votes
      3 candidates2,660,763 total votes
      CandidatePartyVotes ▼%Vote Share
      Tammy BaldwinDEM✓
      		DEM1,472,91455.4%
      Leah VukmirREP
      		REP1,184,88544.5%
      OtherOTH
      		OTH2,9640.1%

      Seat History

      US Senate in Wisconsin(Class II)

      2024
      Tammy BaldwinDEM
      D+0.8
      2022
      Ronald B JohnsonREP
      R+1.0
      2016
      Ronald B JohnsonREP
      R+3.4
      2012
      Tammy BaldwinDEM
      D+5.5
      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

      Leah VukmirREP
      Record7W-1L
      Avg MarginR+47.1
      Career2002-2018
      US Senate / State Senate / State House
      Full profile →
      Tammy BaldwinDEM
      Record13W-0L
      Avg MarginD+31.8
      Career1992-2024
      US Senate / US House / State House
      Full profile →

      Also in Wisconsin, 2018

      US House8 contests →Governor1 contest →
      ← All 2018 US Senate races2018 overviewWisconsin profileAll elections