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      Data: MIT Election Lab, VEST, Census Bureau
      Home›California›CA-42

      California's 42nd Congressional District

      D+36.3
      → Even vs 2022· California · Latest: 2024

      Safe Democratic — flipped 4 times in 25 elections

      Population737K

      Current Representative

      DEMRobert M GarciaElected 2024

      118th Congress boundaries — Historical results before 2022 were contested under prior district lines.

      Ask the Historian

      Explore this district's political evolution with the Historian

      “How has California's 42nd Congressional District voted in House elections since 2000?”

      Key Insights

      • Has voted Democratic in the last 5 presidential elections
      • Latest election (2024) was a Democratic landslide with a 32.4% margin
      • Swung 13.4 points toward Republican between 2020 and 2024

      Smart Insights

      30 elections analyzed

      AI-generated analysis of voting patterns and trends in CA-42.

      Unlock with Pro$33/mo

      Related Pages

      2024 House ElectionCalifornia Profile

      Who lives in California's 42nd Congressional District? 736,570 residents as of the 2020 Census.

      Demographics

      CA-42 vs California vs National

      Population

      Total Population
      737K
      State: 39.3M National: 334.9M
      Share of US Population
      0.22%
      National: 100%
      Voting Age Population
      76.6%
      State: 75.8% National: 75.7%

      Language at Home

      Non-English at Home
      61.3%
      State: 44.4% National: 22.2%
      English Only
      38.7%
      State: 55.6% National: 77.8%

      Economic

      Median Household Income
      $81,436
      State: $102,676 National: $83,960
      Poverty Rate
      15.1%
      State: 12.0% National: 12.5%
      College Degree
      26.0%
      State: 36.6% National: 35.6%
      Homeownership
      38.5%
      State: 55.9% National: 65.2%

      Age & Other

      Median Age
      36.1 yrs
      State: 37.9 yrs National: 39.1 yrs
      Age 18-29
      18.1%
      State: 16.2% National: 15.7%
      Age 65+
      12.7%
      State: 15.7% National: 17.0%
      Foreign Born
      32.0%
      State: 27.0% National: 14.1%

      Who Lives Here

      CA-42 — Census ACS 2024

      Hispanic 66.0%White (Non-Hispanic) 17.9%Asian 7.7%Black 5.7%Native American 1.8%Multiracial 0.9%
      GroupCA-42StateNational
      ▶Hispanic / Latino(19)
      66.0%40.2%19.3%
      ▶White (Non-Hispanic)(13)
      17.9%33.8%57.4%
      ▶Asian(6)
      7.7%15.5%6.0%
      ▶Black(11)
      5.7%5.4%12.2%
      ▶Middle Eastern / North African(9)
      2.0%—0.9%
      ▶Native American / Alaska Native(4)
      1.8%1.3%0.9%
      Multiracial / Other
      0.9%3.5%4.0%

      Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.

      Click rows to expand ancestry detail. Ancestry from ACS B04006, B03001, B02020, B02016. Totals may differ from race — individuals can report multiple ancestries.

      MENA estimated from ancestry reporting — Census does not have a separate MENA race category. Not shown in bar (overlaps with other race groups).

      Similar Districts

      Based on demographic + political profile
      CA-43California
      Safe Dem, Very Dense Urban
      97%

      Similar Districts

      Based on demographic + political profile
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      IL-03Illinois
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      CA-46California
      Lean Dem, Dense Suburban
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      NJ-08New Jersey
      Safe Dem, Very Dense Urban
      94%
      CA-35California
      Lean Dem, Dense Suburban
      93%

      More Similar Districts

      7 more similar districts

      See 7 more districts with voting patterns like CA-42.

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      Other California Districts

      CA-01R+30.7CA-02D+43.8CA-03R+10.9CA-04D+32.9CA-05R+23.5CA-06D+15.2CA-07D+33.5CA-08D+47.9CA-09D+3.6CA-10D+33.0CA-11D+62.1CA-12D+100.0CA-13D+0.1CA-14D+35.5CA-15D+46.2CA-16D+100.0CA-17D+35.3CA-18D+29.3CA-19D+38.6CA-20R+100.0CA-21D+5.2CA-22R+6.8CA-23R+20.3CA-24D+25.4CA-25D+12.5CA-26D+12.1CA-27D+2.7CA-28D+29.9CA-29D+39.5CA-30D+36.8CA-31D+19.5CA-32D+32.4CA-33D+17.6CA-34D+100.0CA-35D+16.8CA-36D+37.4CA-37D+78.3CA-38D+19.7CA-39D+13.4CA-40R+10.5CA-41R+3.4CA-43D+50.1CA-44D+42.8CA-45D+0.2CA-46D+26.9CA-47D+2.9CA-48R+18.6CA-49D+4.3CA-50D+28.6CA-51D+21.4CA-52D+32.6

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