Connecticut 20th State Senate District
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +18.7% |
| 2008 | +26.2% |
| 2012 | +21.9% |
| 2016 | +12.1% |
| 2020 | +21.5% |
| 2024 | +18.1% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 58.2%Harris29,583 | 40.1%Trump20,402 | 1.7% | D+18.1 | R+3.5 | D+19.5 | 50,846 | |
| D | 59.8%Biden31,228 | 38.3%Trump19,986 | 1.9% | D+21.5 | D+9.4 | D+17.1 | 52,187 | |
| D | 53.5%Clinton24,790 | 41.3%Trump19,162 | 5.2% | D+12.1 | R+9.7 | D+10.1 | 46,348 | |
| D | 60.1%Obama25,914 | 38.3%Romney16,491 | 1.6% | D+21.9 | R+4.3 | D+18.0 | 43,088 | |
| D | 62.5%Obama30,114 | 36.3%McCain17,496 | 1.2% | D+26.2 | D+7.5 | D+18.9 | 48,188 | |
| D | 58.3%Kerry26,499 | 39.7%Bush18,018 | 2.0% | D+18.7 | — | D+21.1 | 45,423 |
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+35.9, this district ranks among the most lopsided in the state, suggesting a dense, urban-anchored electorate where statewide and local contests rarely remain competitive.
Across the recorded series it reached a Democratic high of 26.2 points in 2008. Between 2020 and 2024 the district moved 3.5 points toward the Republican candidate; the 2024 margin was 18.1 points.
A population of 96,136, a 71% non-Hispanic-white share, and a median household income of $91,657 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 9.
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 20th State Senate District. Akashic. https://akashic.app/sld-upper/09020/. Accessed May 20, 2026. License: CC BY 4.0.