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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2020/US House/California/CA-10
      2020·US House·California·District profile →

      California District 10 US House

      Winner
      DEM
      Josh Harder
      55.2%166,865 votes
      Runner-up
      REP
      Ted Howze
      44.8%135,629 votes
      Margin
      D+10.3
      302,494 total votes
      2 candidates302,494 total votes
      CandidatePartyVotes ▼%Vote Share
      Josh HarderDEM✓
      		DEM166,86555.2%
      Ted HowzeREP
      		REP135,62944.8%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)D+33.8
      Shift vs 2020↓ R+5.6
      R+40R+20EvenD+20D+4020082012201620202024
      YearDem %Rep %MarginTurnout
      202465.2%31.4%D+33.8379,290
      202068.6%29.3%D+39.4409,383
      201665.1%28.9%D+36.2324,554
      201262.1%37.9%D+24.1300,372
      200864.3%35.4%D+28.9310,519

      Seat History

      US House in California

      2024
      Mark DesaulnierDEM
      D+33.0
      2022
      Mark DesaulnierDEM
      D+78.9
      Redistricted
      2018
      Josh HarderDEM
      D+4.5
      2016
      Jeff DenhamREP
      R+3.4
      2014
      Jeff DenhemREP
      R+12.3
      2012
      Jeff DenhamREP
      R+5.4
      Redistricted
      2010
      John GaramendiDEM
      D+21.0
      2008
      Ellen O TauscherDEM
      D+34.0
      2006
      Ellen O TauscherDEM
      D+32.9
      2004
      Ellen O TauscherDEM
      D+31.4
      2002
      Ellen O TauscherDEM
      D+75.6
      Redistricted
      2000
      Ellen O TauscherDEM
      D+8.4
      1998
      Ellen O TauscherDEM
      D+10.0
      1996
      Ellen O TauscherDEM
      D+1.4
      View all US House history for California →

      Candidates

      Josh HarderDEM
      Record4W-0L
      Avg Margin---
      Career2018-2024
      US House
      Full profile →
      Ted HowzeREP
      Record0W-1L
      Avg Margin---
      Career2020-2020
      US House
      Full profile →

      Also in California, 2020

      President1 contest →
      ← All 2020 US House races2020 overviewCalifornia profileAll elections