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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2004/US Senate/Pennsylvania
      2004·US Senate·Pennsylvania

      Pennsylvania US Senate

      Winner
      REP
      Arlen Specter
      52.6%2,925,080 votes
      Runner-up
      DEM
      Joseph M Hoeffel
      42.0%2,334,126 votes
      Margin
      R+10.6
      5,558,525 total votes
      3 candidates5,558,525 total votes
      CandidatePartyVotes ▼%Vote Share
      Arlen SpecterREP✓
      		REP2,925,08052.6%
      Joseph M HoeffelDEM
      		DEM2,334,12642.0%
      OtherOTH
      		OTH299,3195.4%

      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
      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

      Arlen SpecterREP
      Record5W-0L
      Avg MarginR+11.2
      Career1980-2004
      US Senate
      Full profile →
      Joseph M HoeffelDEM
      Record7W-5L
      Avg MarginD+2.0
      Career1974-2004
      US Senate / US House / State House
      Full profile →

      Also in Pennsylvania, 2004

      President1 contest →US House19 contests →
      ← All 2004 US Senate races2004 overviewPennsylvania profileAll elections