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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1980/US House/California/CA-40
      1980·US House·California·District profile →

      California District 40 US House

      Winner
      REP
      Robert E Badham
      70.2%213,999 votes
      Runner-up
      DEM
      Michael F Dow
      21.8%66,512 votes
      Margin
      R+48.4
      304,997 total votes
      3 candidates304,997 total votes
      CandidatePartyVotes ▼%Vote Share
      Robert E BadhamREP✓
      		REP213,99970.2%
      Michael F DowDEM
      		DEM66,51221.8%
      Dan MahaffeyLIB
      		LIB24,4868.0%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)R+2.3
      Shift vs 2020↓ R+4.2
      R+20EvenD+2020082012201620202024
      YearDem %Rep %MarginTurnout
      202447.2%49.5%R+2.3391,393
      202049.9%48.0%D+1.9424,992
      201645.0%49.3%R+4.3340,682
      201240.3%59.7%R+19.4321,923
      200843.9%55.9%R+12.0326,891

      Seat History

      US House in California

      2024
      Young KimREP
      R+10.5
      2022
      Young KimREP
      R+13.7
      Redistricted
      2020
      Lucille Roybal-AllardDEM
      D+45.5
      2018
      Lucille Roybal-AllardDEM
      D+77.3
      2016
      Lucille Roybal-AllardDEM
      D+71.4
      2014
      Lucille Roybal-AllardDEM
      D+100.0
      2012
      Lucille Roybal-AllardDEM
      D+100.0
      Redistricted
      2010
      Edward R RoyceREP
      R+33.6
      2008
      Edward R RoyceREP
      R+25.1
      2006
      Edward R RoyceREP
      R+36.1
      2004
      Edward R RoyceREP
      R+35.9
      2002
      Edward R RoyceREP
      R+38.2
      Redistricted
      2000
      Jerry LewisREP
      R+79.9
      1998
      Jerry LewisREP
      R+33.0
      1996
      Jerry LewisREP
      R+35.9
      View all US House history for California →

      Candidates

      Robert E BadhamREP
      Record10W-0L
      Avg MarginR+38.6
      Career1968-1986
      US House / State House
      Full profile →
      Dan MahaffeyLIB
      Record0W-1L
      Avg Margin---
      Career1980-1980
      US House
      Full profile →
      Michael F DowDEM
      Record0W-1L
      Avg Margin---
      Career1980-1980
      US House
      Full profile →

      Also in California, 1980

      President1 contest →US Senate1 contest →
      ← All 1980 US House races1980 overviewCalifornia profileAll elections