Connecticut 9th State Senate District
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +17.9% |
| 2008 | +28.7% |
| 2012 | +22.3% |
| 2016 | +14.2% |
| 2020 | +20.2% |
| 2024 | +15.4% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 56.8%Harris29,929 | 41.4%Trump21,828 | 1.9% | D+15.4 | R+4.8 | D+16.8 | 52,735 | |
| D | 59.3%Biden31,890 | 39.1%Trump21,043 | 1.6% | D+20.2 | D+6.0 | D+15.7 | 53,791 | |
| D | 54.6%Clinton26,470 | 40.4%Trump19,595 | 4.9% | D+14.2 | R+8.1 | D+12.1 | 48,445 | |
| D | 60.6%Obama27,497 | 38.2%Romney17,359 | 1.2% | D+22.3 | R+6.3 | D+18.5 | 45,399 | |
| D | 63.6%Obama31,646 | 34.9%McCain17,373 | 1.5% | D+28.7 | D+10.8 | D+21.4 | 49,768 | |
| D | 58.0%Kerry27,601 | 40.2%Bush19,105 | 1.8% | D+17.9 | — | D+20.3 | 47,553 |
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With roughly 101,000 residents and a 2024 presidential margin of D+11.9, this district sits comfortably in Connecticut's Democratic column while remaining competitive enough to draw serious campaign attention.
Across the recorded series it reached a Democratic high of 28.7 points in 2008. Between 2020 and 2024 the district moved 4.8 points toward the Republican candidate; the 2024 margin was 15.4 points.
A population of 101,245, a 69% non-Hispanic-white share, and a median household income of $93,143 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 20.
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 9th State Senate District. Akashic. https://akashic.app/sld-upper/09009/. Accessed May 20, 2026. License: CC BY 4.0.