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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2016/US House/California/CA-01
      2016·US House·California·District profile →

      California District 1 US House

      Winner
      REP
      Doug Lamalfa
      59.0%185,448 votes
      Runner-up
      DEM
      James Reed
      41.0%128,588 votes
      Margin
      R+18.1
      314,036 total votes
      2 candidates314,036 total votes
      CandidatePartyVotes ▼%Vote Share
      Doug LamalfaREP✓
      		REP185,44859.0%
      James ReedDEM
      		DEM128,58841.0%

      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
      2014
      Doug LamalfaREP
      R+22.1
      2012
      Doug La MalfaREP
      R+14.8
      Redistricted
      2010
      Mike ThompsonDEM
      D+31.8
      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

      James ReedDEM
      Record0W-12L
      Avg MarginR+31.4
      Career1970-2016
      US House / State House
      Full profile →
      Doug LamalfaREP
      Record9W-0L
      Avg MarginR+35.7
      Career2002-2024
      US House / State Senate / State House
      Full profile →

      Also in California, 2016

      President1 contest →US Senate1 contest →
      ← All 2016 US House races2016 overviewCalifornia profileAll elections