Connecticut 31st State Senate District
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +3.0% |
| 2008 | +15.4% |
| 2012 | +9.8% |
| 2016 | −10.2% |
| 2020 | −3.1% |
| 2024 | −8.1% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 45.3%Harris22,941 | 53.4%Trump27,032 | 1.4% | R+8.1 | R+4.9 | R+6.6 | 50,662 | |
| R | 47.6%Biden24,710 | 50.7%Trump26,345 | 1.8% | R+3.1 | D+7.0 | R+7.6 | 51,966 | |
| R | 42.7%Clinton19,811 | 52.9%Trump24,536 | 4.4% | R+10.2 | R+20.0 | R+12.3 | 46,389 | |
| D | 54.3%Obama23,474 | 44.5%Romney19,218 | 1.2% | D+9.8 | R+5.5 | D+6.0 | 43,212 | |
| D | 56.9%Obama26,186 | 41.5%McCain19,104 | 1.6% | D+15.4 | D+12.4 | D+8.1 | 46,040 | |
| D | 50.2%Kerry22,507 | 47.2%Bush21,171 | 2.6% | D+3.0 | — | D+5.4 | 44,837 |
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin exceeding 24 points Democratic, this district of roughly 100,000 residents sits well outside competitive territory, making it a reliable benchmark for gauging the party's urban coalition strength in the state.
Across the recorded series it reached a Democratic high of 15.4 points in 2008 and a Republican high of 10.2 points in 2016. Between 2020 and 2024 the district moved 4.9 points toward the Republican candidate; the 2024 margin was 8.1 points.
A population of 99,747, a 76% non-Hispanic-white share, and a median household income of $84,926 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 19 and State Senate District 16.
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 31st State Senate District. Akashic. https://akashic.app/sld-upper/09031/. Accessed May 20, 2026. License: CC BY 4.0.