Akashic EdgeAKASHIC EDGE
ElectionsCandidates
HistorianCartographer2026 ForecastArticlesAPIPricing

Latest Articles

    View all articles →

    Browse by Category

      Data Tools

      • Elections
      • Candidates
      • The Historian
      • The Cartographer
      • American Nations
      • States & Counties
      • Congressional Districts

      About

      Akashic HQ provides deep political data analysis covering 165 years of U.S. elections.

      • Data Sources & Methodology
      • Pricing
      • API Documentation
      • Contact

      © 2026 Akashic HQ. All rights reserved.

      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2018/US House/California/CA-23
      2018·US House·California·District profile →

      California District 23 US House

      Winner
      REP
      Kevin McCarthy
      63.7%131,113 votes
      Runner-up
      DEM
      Tatiana Matta
      36.3%74,661 votes
      Margin
      R+27.4
      205,774 total votes
      2 candidates205,774 total votes
      CandidatePartyVotes ▼%Vote Share
      Kevin McCarthyREP✓
      		REP131,11363.7%
      Tatiana MattaDEM
      		DEM74,66136.3%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)R+16.9
      Shift vs 2020↓ R+7.0
      Even20082012201620202024
      YearDem %Rep %MarginTurnout
      202440.2%57.1%R+16.9274,456
      202043.9%53.7%R+9.8298,346
      201639.7%54.6%R+14.9237,660
      201242.3%57.7%R+15.4210,895
      200842.5%56.6%R+14.1221,007

      Seat History

      US House in California

      2024
      Jay ObernolteREP
      R+20.3
      2022
      Jay ObernolteREP
      R+22.1
      Redistricted
      2020
      Kevin McCarthyREP
      R+24.3
      2016
      Kevin McCarthyREP
      R+38.4
      2014
      Kevin McCarthyREP
      R+49.7
      2012
      Kevin McCarthyREP
      R+73.2
      Redistricted
      2010
      Lois CappsDEM
      D+20.2
      2008
      Lois CappsDEM
      D+36.1
      2006
      Lois CappsDEM
      D+30.4
      2004
      Lois CappsDEM
      D+28.7
      2002
      Lois CappsDEM
      D+20.4
      Redistricted
      2000
      Elton GalleglyREP
      R+13.4
      1998
      Elton GalleglyREP
      R+20.1
      1996
      Elton GalleglyREP
      R+24.5
      View all US House history for California →

      Candidates

      Kevin McCarthyREP
      Record17W-0L
      Avg MarginD+8.6
      Career2002-2022
      US House / State House
      Full profile →
      Tatiana MattaDEM
      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