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      Data: MIT Election Lab, VEST, Census Bureau
      Home›Connecticut›CT-03

      Connecticut's 3rd Congressional District

      D+19.3
      ↑ D+3.2 vs 2022· Connecticut · Latest: 2024

      Safe Democratic — flipped 2 times in 25 elections

      Population724K

      Current Representative

      DEMRosa L DelauroElected 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 Connecticut's 3rd Congressional District voted in House elections since 2000?”

      Key Insights

      • Has voted Democratic in the last 5 presidential elections

      Smart Insights

      30 elections analyzed

      AI-generated analysis of voting patterns and trends in CT-03.

      Unlock with Pro$33/mo

      Related Pages

      2024 House ElectionConnecticut Profile

      Who lives in Connecticut's 3rd Congressional District? 724,297 residents as of the 2020 Census.

      Demographics

      CT-03 vs Connecticut vs National

      Population

      Total Population
      724K
      State: 3.6M National: 334.9M
      Share of US Population
      0.22%
      National: 100%
      Voting Age Population
      77.4%
      State: 79.6% National: 75.7%

      Language at Home

      Non-English at Home
      21.7%
      National: 22.2%
      English Only
      78.3%
      National: 77.8%

      Economic

      Median Household Income
      $90,395
      State: $105,287 National: $83,960
      Poverty Rate
      10.4%
      State: 10.0% National: 12.5%
      College Degree
      40.5%
      State: 42.5% National: 35.6%
      Homeownership
      63.3%
      State: 66.5% National: 65.2%

      Age & Other

      Median Age
      40.7 yrs
      State: 41.5 yrs National: 39.1 yrs
      Age 18-29
      17.0%
      National: 15.7%
      Age 65+
      18.7%
      National: 17.0%
      Foreign Born
      14.4%
      State: 15.8% National: 14.1%

      Who Lives Here

      CT-03 — Census ACS 2024

      White (Non-Hispanic) 59.6%Hispanic 18.2%Black 14.0%Asian 4.4%Multiracial 3.5%
      GroupCT-03StateNational
      ▶White (Non-Hispanic)(13)
      59.6%63.2%57.4%
      ▶Hispanic / Latino(20)
      18.2%17.3%19.3%
      ▶Black(14)
      14.0%10.8%12.2%
      ▶Asian(6)
      4.4%4.8%6.0%
      Multiracial / Other
      3.5%3.5%4.0%
      ▶Middle Eastern / North African(10)
      1.8%—0.9%
      ▶Native American / Alaska Native(2)
      0.3%0.4%0.9%

      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
      CT-01Connecticut
      Lean Dem, Suburban
      96%

      Similar Districts

      Based on demographic + political profile
      NY-20New York
      Lean Dem, Suburban
      90%
      MA-05Massachusetts
      Strong Dem, Urban
      90%
      RI-02Rhode Island
      Lean Dem, Suburban
      89%
      RI-01Rhode Island
      Lean Dem, Suburban
      88%
      PA-05Pennsylvania
      Lean Dem, Suburban
      88%
      MA-02Massachusetts
      Lean Dem, Suburban
      88%
      MD-08Maryland
      Strong Dem, Urban
      88%

      More Similar Districts

      7 more similar districts

      See 7 more districts with voting patterns like CT-03.

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      Other Connecticut Districts

      CT-01D+25.0CT-02D+16.0CT-04D+23.7CT-05D+4.2

      Unlock District Analytics

      Precinct data, Smart Insights, full history, and more

      Precinct-Level Data
      See results for every neighborhood and voting precinct
      Smart Insights
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      165 years of election data at every level of geography
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