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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2018/US House/California/CA-31
      2018·US House·California·District profile →

      California District 31 US House

      Winner
      DEM
      Pete Aguilar
      58.7%110,143 votes
      Runner-up
      REP
      Sean Flynn
      41.3%77,352 votes
      Margin
      D+17.5
      187,495 total votes
      2 candidates187,495 total votes
      CandidatePartyVotes ▼%Vote Share
      Pete AguilarDEM✓
      		DEM110,14358.7%
      Sean FlynnREP
      		REP77,35241.3%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)D+16.9
      Shift vs 2020↓ R+14.2
      R+20EvenD+2020082012201620202024
      YearDem %Rep %MarginTurnout
      202456.9%40.0%D+16.9266,185
      202064.5%33.4%D+31.1307,073
      201665.7%28.5%D+37.1238,158
      201265.7%34.3%D+31.5216,277
      200863.3%36.4%D+26.9225,926

      Seat History

      US House in California

      2024
      Gil CisnerosDEM
      D+19.5
      2022
      Grace Flores NapolitanoDEM
      D+19.1
      Redistricted
      2020
      Pete AguilarDEM
      D+22.6
      2016
      Pete AguilarDEM
      D+12.1
      2014
      Pete AguilarDEM
      D+3.5
      2012
      Gary G MillerREP
      R+100.0
      Redistricted
      2010
      Xavier BecerraDEM
      D+67.6
      2008
      Xavier BecerraDEM
      D+100.0
      2006
      Xavier BecerraDEM
      D+100.0
      2004
      Xavier BecerraDEM
      D+60.4
      2002
      Xavier BecerraDEM
      D+62.3
      Redistricted
      2000
      Hilda L SolisDEM
      D+79.3
      1998
      Matthew G \ MartinezDEM
      D+47.4
      1996
      Matthew G \ MartinezDEM
      D+39.5
      View all US House history for California →

      Candidates

      Pete AguilarDEM
      Record6W-0L
      Avg Margin---
      Career2014-2024
      US House
      Full profile →
      Sean FlynnREP
      Record0W-1L
      Avg Margin---
      Career2018-2018
      US House
      Full profile →

      Also in California, 2018

      US Senate1 contest →Governor1 contest →
      ← All 2018 US House races2018 overviewCalifornia profileAll elections