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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1966/US Senate/Minnesota
      1966·US Senate·Minnesota

      Minnesota US Senate

      Winner
      DEM
      Walter E Mondale
      53.5%597,052 votes
      Runner-up
      REP
      Robert A. Forsythe
      45.6%508,916 votes
      Margin
      D+7.9
      1,115,072 total votes
      3 candidates1,115,072 total votes
      CandidatePartyVotes ▼%Vote Share
      Walter E MondaleDEM✓
      		DEM597,05253.5%
      Robert A. ForsytheREP
      		REP508,91645.6%
      OtherOTH
      		OTH9,1040.8%

      Seat History

      US Senate in Minnesota(Class II)

      2024
      Amy KlobucharDEM
      D+15.7
      2020
      Tina SmithDEM
      D+5.2
      2018(S)
      Tina SmithDEM
      D+10.6
      2018
      Amy KlobucharDEM
      D+24.1
      2014
      Al FrankenDEM
      D+10.2
      2012
      Amy KlobucharDEM
      D+34.7
      2008
      Al FrankenDEM
      EVEN
      2006
      Amy KlobucharDEM
      D+20.1
      2002
      Norm ColemanREP
      R+2.2
      2000
      Mark DaytonDEM
      D+5.5
      1996
      Paul WellstoneDEM
      D+9.0
      1994
      Rod GramsREP
      R+5.0
      1990
      Paul WellstoneDEM
      D+2.6
      1988
      Dave DurenbergerREP
      R+14.9
      1984
      Rudy BoschwitzREP
      R+16.8
      View all US Senate history for Minnesota →

      Candidates

      Robert A. ForsytheREP
      Record0W-1L
      Avg MarginD+7.9
      Career1966-1966
      US Senate
      Full profile →
      Walter E MondaleDEM
      Record4W-50L
      Avg MarginR+18.4
      Career1966-2002
      US Senate / President / State Senate
      Full profile →

      Also in Minnesota, 1966

      Governor1 contest →
      ← All 1966 US Senate races1966 overviewMinnesota profileAll elections