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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2000/US House/California/CA-21
      2000·US House·California·District profile →

      California District 21 US House

      Winner
      REP
      William M Thomas
      71.6%142,539 votes
      Runner-up
      DEM
      Pedro \ Martinez Jr.
      24.8%49,318 votes
      Margin
      R+46.8
      199,100 total votes
      3 candidates199,100 total votes
      CandidatePartyVotes ▼%Vote Share
      William M ThomasREP✓
      		REP142,53971.6%
      Pedro \ Martinez Jr.DEM
      		DEM49,31824.8%
      James Rs ManionLIB
      		LIB7,2433.6%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)D+3.8
      Shift vs 2020↓ R+16.5
      R+20EvenD+2020082012201620202024
      YearDem %Rep %MarginTurnout
      202450.6%46.8%D+3.8200,149
      202059.1%38.8%D+20.3226,362
      201658.2%36.5%D+21.8172,953
      201259.4%40.6%D+18.7152,341
      200857.8%41.4%D+16.4155,724

      Seat History

      US House in California

      2024
      Jim CostaDEM
      D+5.2
      2022
      Jim CostaDEM
      D+8.4
      Redistricted
      2020
      David G ValadaoREP
      R+0.9
      2018
      Tj CoxDEM
      D+0.8
      2016
      David G ValadaoREP
      R+13.5
      2014
      David G ValadaoREP
      R+15.7
      2012
      David G ValadaoREP
      R+15.5
      Redistricted
      2010
      Devin G NunesREP
      R+100.0
      2008
      Devin G NunesREP
      R+36.8
      2006
      Devin G NunesREP
      R+36.8
      2004
      Devin G NunesREP
      R+46.3
      2002
      Devin G NunesREP
      R+44.3
      Redistricted
      1998
      William M ThomasREP
      R+78.9
      1996
      William M ThomasREP
      R+39.4
      View all US House history for California →

      Candidates

      William M ThomasREP
      Record16W-0L
      Avg MarginR+11.8
      Career1974-2004
      US House / State House
      Full profile →
      James Rs ManionLIB
      Record0W-1L
      Avg Margin---
      Career2000-2000
      US House
      Full profile →
      Pedro \ Martinez Jr.DEM
      Record0W-1L
      Avg Margin---
      Career2000-2000
      US House
      Full profile →

      Also in California, 2000

      President1 contest →US Senate1 contest →
      ← All 2000 US House races2000 overviewCalifornia profileAll elections