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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1970/US Senate/Wisconsin
      1970·US Senate·Wisconsin

      Wisconsin US Senate

      Winner
      DEM
      William Proxmire
      70.8%948,445 votes
      Runner-up
      REP
      John E. Erickson
      28.5%381,297 votes
      Margin
      D+42.4
      1,338,967 total votes
      3 candidates1,338,967 total votes
      CandidatePartyVotes ▼%Vote Share
      William ProxmireDEM✓
      		DEM948,44570.8%
      John E. EricksonREP
      		REP381,29728.5%
      OtherOTH
      		OTH9,2250.7%

      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
      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

      John E. EricksonDEM
      Record3W-1L
      Avg MarginD+17.6
      Career1924-1970
      US Senate / Governor
      Full profile →
      William ProxmireDEM
      Record6W-3L
      Avg MarginD+13.6
      Career1952-1982
      US Senate / Governor
      Full profile →

      Also in Wisconsin, 1970

      Governor1 contest →
      ← All 1970 US Senate races1970 overviewWisconsin profileAll elections