Connecticut 3rd Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +25.0% |
| 2012 | +26.2% |
| 2016 | +13.9% |
| 2020 | +19.7% |
| 2024 | +14.0% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 3 | D | 58.9%193,684 | 39.6%130,095 | 328,923 |
| 2022 | 3 | D | 56.8%137,924 | 40.7%98,704 | 242,651 |
| 2020 | 3 | D | 56.1%194,259 | 38.0%131,568 | 346,103 |
| 2018 | 3 | D | 60.4%163,211 | 35.4%95,667 | 270,239 |
| 2016 | 3 | D | 62.1%192,274 | 31.0%95,786 | 309,379 |
| 2014 | 3 | D | 61.9%130,009 | 33.1%69,454 | 209,939 |
| 2012 | 3 | D | 67.7%197,163 | 25.3%73,726 | 291,300 |
| 2010 | 3 | D | 61.0%134,544 | 33.6%74,107 | 220,661 |
| 2008 | 3 | D | 68.9%204,761 | 19.7%58,583 | 297,368 |
| 2006 | 3 | D | 76.0%150,436 | 22.4%44,386 | 197,911 |
| 2004 | 3 | D | 72.4%200,638 | 25.0%69,160 | 276,980 |
| 2002 | 3 | D | 65.6%121,557 | 29.5%54,757 | 185,364 |
| 2000 | 3 | D | 71.9%156,910 | 27.5%60,037 | 218,205 |
| 1998 | 3 | D | 71.3%109,726 | 27.4%42,090 | 153,851 |
| 1996 | 3 | D | 64.9%137,108 | 28.1%59,335 | 211,352 |
| 1994 | 3 | D | 63.4%111,261 | 30.3%53,110 | 175,355 |
| 1992 | 3 | D | 45.3%112,022 | 34.3%84,952 | 247,531 |
| 1990 | 3 | D | 52.1%90,772 | 47.9%83,440 | 174,212 |
| 1988 | 3 | D | 66.5%147,394 | 33.5%74,275 | 221,669 |
| 1986 | 3 | D | 69.6%114,276 | 30.4%49,806 | 164,087 |
| 1984 | 3 | D | 52.6%129,230 | 47.2%115,939 | 245,795 |
| 1982 | 3 | D | 50.0%90,638 | 49.0%88,951 | 181,449 |
| 1980 | 3 | R | 46.5%103,903 | 52.3%117,024 | 223,648 |
| 1978 | 3 | D | 58.1%96,830 | 40.0%66,663 | 166,587 |
| 1976 | 3 | D | 54.6%121,623 | 43.4%96,714 | 222,643 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 55.8%953,646 | 39.7%678,256 | 1,708,259 |
| 2018 | D | 56.8%787,685 | 39.4%545,717 | 1,386,752 |
| 2016 | D | 57.7%920,766 | 34.6%552,621 | 1,596,238 |
| 2012 | D | 52.7%792,983 | 40.2%604,569 | 1,504,895 |
| 2010 | D | 52.5%605,204 | 43.2%498,341 | 1,152,443 |
| 2006 | O | 39.7%450,844 | 9.6%109,198 | 1,134,697 |
| 2004 | D | 66.4%945,347 | 32.1%457,749 | 1,424,726 |
| 2000 | D | 63.2%828,902 | 34.2%448,077 | 1,311,261 |
| 1998 | D | 65.1%628,306 | 32.4%312,177 | 964,457 |
| 1994 | D | 41.1%443,793 | 31.0%334,833 | 1,079,664 |
| 1992 | D | 38.5%577,662 | 38.1%572,036 | 1,500,661 |
| 1988 | D | 49.8%688,499 | 49.0%678,454 | 1,383,516 |
| 1986 | D | 64.8%632,695 | 34.8%340,438 | 976,933 |
| 1982 | R | 46.1%499,146 | 50.4%545,987 | 1,083,508 |
| 1980 | D | 56.3%763,969 | 42.9%581,884 | 1,355,961 |
| 1976 | R | 41.2%561,018 | 57.7%785,683 | 1,361,666 |
Connecticut's 3rd stretches from New Haven's dense urban core through shoreline suburbs to more rural towns, producing consistent double-digit Democratic presidential margins driven largely by the district's academic, healthcare, and port-economy workforce.
Across the recorded series it reached a Democratic high of 26.2 points in 2012. Between 2020 and 2024 the district moved 5.7 points toward the Republican candidate; the 2024 margin was 14.0 points.
A population of 721,289, a 64% non-Hispanic-white share, and a median household income of $90,395 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 5 and Congressional District 20.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Connecticut 3rd Congressional District. Akashic. https://akashic.app/cd/0903/. Accessed May 20, 2026. License: CC BY 4.0.