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

      Washington US Senate

      Winner
      DEM
      Maria Cantwell
      60.5%1,855,493 votes
      Runner-up
      REP
      Michael Baumgartner
      39.5%1,213,924 votes
      Margin
      D+20.9
      3,069,417 total votes
      2 candidates3,069,417 total votes
      CandidatePartyVotes ▼%Vote Share
      Maria CantwellDEM✓
      DEM1,855,49360.5%
      Michael BaumgartnerREP
      REP1,213,92439.5%

      Seat History

      US Senate in Washington(Class II)

      2024
      Maria CantwellDEM
      D+18.4
      2022
      Patty MurrayDEM
      D+14.5
      2018
      Maria CantwellDEM
      D+16.9
      2016
      Patty MurrayDEM
      D+18.0
      2010
      Patty MurrayDEM
      D+4.7
      2006
      Maria CantwellDEM
      D+16.9
      2004
      Patty MurrayDEM
      D+12.2
      2000
      Maria CantwellDEM
      D+0.1
      1998
      Patty MurrayDEM
      D+16.8
      1994
      Slade GortonREP
      R+11.5
      1992
      Patty MurrayDEM
      D+8.0
      1988
      Slade GortonREP
      R+2.2
      1986
      Brock AdamsDEM
      D+2.0
      1983(S)
      Daniel J. EvansREP
      R+10.8
      View all US Senate history for Washington →

      Candidates

      Maria CantwellDEM
      Record9W-1L
      Avg MarginD+13.4
      Career1986-2024
      US Senate / US House / State House
      Full profile →
      Michael BaumgartnerREP
      Record3W-1L
      Avg MarginR+0.5
      Career2010-2024
      US House / State Senate / US Senate
      Full profile →

      Also in Washington, 2012

      President1 contest →US House10 contests →Governor1 contest →
      ← All 2012 US Senate races2012 overviewWashington profileAll elections