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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2010/US House/California/CA-01
      2010·US House·California·District profile →

      California District 1 US House

      Winner
      DEM
      Mike Thompson
      62.8%147,307 votes
      Runner-up
      REP
      Loren Hanks
      31.0%72,803 votes
      Margin
      D+31.8
      234,592 total votes
      4 candidates234,592 total votes
      CandidatePartyVotes ▼%Vote Share
      Mike ThompsonDEM✓
      		DEM147,30762.8%
      Loren HanksREP
      		REP72,80331.0%
      Carol WolmanGRN
      		GRN8,4863.6%
      Mike RodriguesLIB
      		LIB5,9962.6%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)R+24.9
      Shift vs 2020↓ R+5.8
      R+20EvenD+2020082012201620202024
      YearDem %Rep %MarginTurnout
      202436.1%61.1%R+24.9326,893
      202039.2%58.3%R+19.1348,189
      201635.6%57.4%R+21.8297,539
      201240.7%59.3%R+18.6274,988
      200842.5%56.7%R+14.2298,354

      Seat History

      US House in California

      2024
      Doug LamalfaREP
      R+30.7
      2022
      Doug LamalfaREP
      R+24.1
      Redistricted
      2020
      Doug LamalfaREP
      R+14.0
      2018
      Doug La MalfaREP
      R+9.8
      2016
      Doug LamalfaREP
      R+18.1
      2014
      Doug LamalfaREP
      R+22.1
      2012
      Doug La MalfaREP
      R+14.8
      Redistricted
      2008
      Mike ThompsonDEM
      D+44.7
      2006
      Mike ThompsonDEM
      D+37.3
      2004
      Mike ThompsonDEM
      D+38.7
      2002
      Mike ThompsonDEM
      D+31.7
      Redistricted
      2000
      Mike ThompsonDEM
      D+37.0
      1998
      Mike ThompsonDEM
      D+29.0
      1996
      Frank D RiggsREP
      R+6.2
      View all US House history for California →

      Candidates

      Mike ThompsonDEM
      Record24W-3L
      Avg MarginR+8.4
      Career1972-2024
      US House / State House / State Senate
      Full profile →
      Carol WolmanGRN
      Record0W-2L
      Avg Margin---
      Career2008-2010
      US House
      Full profile →
      Loren HanksREP
      Record0W-1L
      Avg Margin---
      Career2010-2010
      US House
      Full profile →
      Mike RodriguesLIB
      Record0W-2L
      Avg MarginD+28.5
      Career1998-2010
      US House / State House
      Full profile →

      Also in California, 2010

      US Senate1 contest →Governor1 contest →
      ← All 2010 US House races2010 overviewCalifornia profileAll elections