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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1991/US Senate/Pennsylvania
      1991·US Senate·Pennsylvania
      Special

      Pennsylvania US Senate

      Winner
      DEM
      Harris Wofford
      55.0%1,860,761 votes
      Runner-up
      REP
      Richard Thornburgh
      45.0%1,521,986 votes
      Margin
      D+10.0
      3,382,747 total votes
      2 candidates3,382,747 total votes
      CandidatePartyVotes ▼%Vote Share
      Harris WoffordDEM✓
      		DEM1,860,76155.0%
      Richard ThornburghREP
      		REP1,521,98645.0%

      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
      1988
      John HeinzREP
      R+34.0
      1986
      Arlen SpecterREP
      R+13.6
      View all US Senate history for Pennsylvania →

      Candidates

      Harris WoffordDEM
      Record1W-1L
      Avg MarginD+3.8
      Career1991-1994
      US Senate
      Full profile →
      Richard ThornburghREP
      Record2W-1L
      Avg MarginD+0.4
      Career1978-1991
      US Senate / Governor
      Full profile →
      ← All 1991 US Senate races1991 overviewPennsylvania profileAll elections