Connecticut 3rd State Senate District
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +21.1% |
| 2008 | +32.9% |
| 2012 | +29.1% |
| 2016 | +22.1% |
| 2020 | +29.1% |
| 2024 | +22.2% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 60.3%Harris27,147 | 38.1%Trump17,148 | 1.7% | D+22.2 | R+6.9 | D+23.7 | 45,042 | |
| D | 63.7%Biden30,535 | 34.6%Trump16,574 | 1.7% | D+29.1 | D+7.0 | D+24.7 | 47,922 | |
| D | 58.9%Clinton25,667 | 36.8%Trump16,038 | 4.3% | D+22.1 | R+7.0 | D+20.0 | 43,596 | |
| D | 64.0%Obama27,993 | 34.9%Romney15,250 | 1.2% | D+29.1 | R+3.8 | D+25.3 | 43,757 | |
| D | 65.8%Obama29,403 | 32.9%McCain14,701 | 1.3% | D+32.9 | D+11.8 | D+25.6 | 44,702 | |
| D | 59.7%Kerry25,205 | 38.6%Bush16,313 | 1.6% | D+21.1 | — | D+23.5 | 42,207 |
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
The district recorded a Democratic presidential margin of D+22.2 in 2024, compared with D+32.9 in 2008. Catholic adherents were the largest religious group at 46.3% in the 2020 US Religion Census.
Across the recorded series it reached a Democratic high of 32.9 points in 2008. Between 2020 and 2024 the district moved 6.9 points toward the Republican candidate; the 2024 margin was 22.2 points.
A population of 99,964, a 50% non-Hispanic-white share, and a median household income of $91,259 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 13 and State Senate District 27.
The state-senate 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 State Senate District. Akashic. https://akashic.app/sld-upper/09003/. Accessed May 20, 2026. License: CC BY 4.0.