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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2018/US Senate/California
      2018·US Senate·California
      Jungle

      California US Senate

      Winner
      DEM
      Dianne Feinstein
      54.2%6,019,422 votes
      Runner-up
      DEM
      Kevin de León
      45.8%5,093,942 votes
      Margin
      +8.3
      11,113,364 total votes
      2 candidates11,113,364 total votes
      CandidatePartyVotes ▼%Vote Share
      Dianne FeinsteinDEM✓
      		DEM6,019,42254.2%
      Kevin de LeónDEM
      		DEM5,093,94245.8%

      Seat History

      US Senate in California(Class II)

      2024
      Adam B SchiffDEM
      D+17.8
      2022
      Alex PadillaDEM
      D+22.1
      2016(JP)
      Kamala HarrisDEM
      ---
      2012
      Dianne FeinsteinDEM
      D+25.1
      2010
      Barbara BoxerDEM
      D+10.0
      2006
      Dianne FeinsteinDEM
      D+24.4
      2004
      Barbara BoxerDEM
      D+19.9
      2000
      Dianne FeinsteinDEM
      D+19.3
      1998
      Barbara BoxerDEM
      D+10.1
      1994
      Dianne FeinsteinDEM
      D+1.9
      1992(S)
      Dianne FeinsteinDEM
      D+16.3
      1992
      Barbara BoxerDEM
      D+4.9
      1988
      Pete WilsonREP
      R+8.8
      1986
      Alan CranstonDEM
      D+1.4
      View all US Senate history for California →

      Candidates

      Dianne FeinsteinDEM
      Record6W-1L
      Avg MarginD+26.2
      Career1990-2018
      US Senate / Governor
      Full profile →
      Kevin de LeónDEM
      Record4W-1L
      Avg MarginD+86.1
      Career2006-2018
      US Senate / State Senate / State House
      Full profile →

      Also in California, 2018

      US House53 contests →Governor1 contest →
      ← All 2018 US Senate races2018 overviewCalifornia profileAll elections