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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1940/US Senate/Washington
      1940·US Senate·Washington

      Washington US Senate

      Winner
      DEM
      Monrad C. Wallgren
      54.2%404,718 votes
      Runner-up
      REP
      Stephen Chadwick
      45.8%342,589 votes
      Margin
      D+8.3
      747,307 total votes
      2 candidates747,307 total votes
      CandidatePartyVotes ▼%Vote Share
      Monrad C. WallgrenDEM✓
      		DEM404,71854.2%
      Stephen ChadwickREP
      		REP342,58945.8%

      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
      2012
      Maria CantwellDEM
      D+20.9
      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

      Monrad C. WallgrenDEM
      Record2W-1L
      Avg MarginD+2.8
      Career1940-1948
      Governor / US Senate
      Full profile →
      Stephen ChadwickREP
      Record0W-1L
      Avg MarginD+8.3
      Career1940-1940
      US Senate
      Full profile →

      Also in Washington, 1940

      President1 contest →Governor1 contest →
      ← All 1940 US Senate races1940 overviewWashington profileAll elections