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

      Pennsylvania US Senate

      Winner
      DEM
      Joseph F. Guffey
      51.8%2,069,980 votes
      Runner-up
      REP
      Jay Cooke
      47.4%1,893,104 votes
      Margin
      D+4.4
      3,997,020 total votes
      3 candidates3,997,020 total votes
      CandidatePartyVotes ▼%Vote Share
      Joseph F. GuffeyDEM✓
      		DEM2,069,98051.8%
      Jay CookeREP
      		REP1,893,10447.4%
      OtherOTH
      		OTH33,9360.8%

      Seat History

      US Senate in Pennsylvania(Class II)

      2024
      Dave McCormickREP
      R+0.2
      2022
      John FettermanDEM
      D+4.9
      2018
      Robert CaseyDEM
      D+13.1
      2016
      Patrick J ToomeyREP
      R+1.4
      2012
      Robert CaseyDEM
      D+9.1
      2010
      Patrick J ToomeyREP
      R+2.0
      2006
      Robert CaseyDEM
      D+17.4
      2004
      Arlen SpecterREP
      R+10.6
      2000
      Rick SantorumREP
      R+6.9
      1998
      Arlen SpecterREP
      R+26.6
      1994
      Rick SantorumREP
      R+2.5
      1992
      Arlen SpecterREP
      R+2.8
      1991(S)
      Harris WoffordDEM
      D+10.0
      1988
      John HeinzREP
      R+34.0
      1986
      Arlen SpecterREP
      R+13.6
      View all US Senate history for Pennsylvania →

      Candidates

      Jay CookeREP
      Record0W-1L
      Avg MarginD+4.4
      Career1940-1940
      US Senate
      Full profile →
      Joseph F. GuffeyDEM
      Record2W-1L
      Avg MarginR+3.6
      Career1934-1946
      US Senate
      Full profile →

      Also in Pennsylvania, 1940

      President1 contest →
      ← All 1940 US Senate races1940 overviewPennsylvania profileAll elections