Connecticut 18th State House District
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +35.4% |
| 2008 | +46.4% |
| 2012 | +38.2% |
| 2016 | +54.1% |
| 2020 | +58.3% |
| 2024 | +50.1% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 74.0%Harris9,989 | 24.0%Trump3,234 | 2.0% | D+50.1 | R+8.2 | D+51.5 | 13,490 | |
| D | 78.5%Biden10,138 | 20.2%Trump2,607 | 1.4% | D+58.3 | D+4.1 | D+53.8 | 12,920 | |
| D | 74.8%Clinton9,051 | 20.6%Trump2,497 | 4.6% | D+54.1 | D+15.9 | D+52.1 | 12,104 | |
| D | 68.6%Obama9,470 | 30.3%Romney4,190 | 1.1% | D+38.2 | R+8.2 | D+34.4 | 13,814 | |
| D | 72.6%Obama8,918 | 26.2%McCain3,223 | 1.1% | D+46.4 | D+11.0 | D+39.1 | 12,281 | |
| D | 67.0%Kerry7,623 | 31.7%Bush3,600 | 1.3% | D+35.4 | — | D+37.8 | 11,374 |
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+50.1, this district ranks among the most lopsided in the state, suggesting a dense urban or college-town core where one coalition commands overwhelming structural advantages.
Across the recorded series it reached a Democratic high of 58.3 points in 2020. Between 2020 and 2024 the district moved 8.2 points toward the Republican candidate; the 2024 margin was 50.1 points.
A population of 24,371, a 69% non-Hispanic-white share, and a median household income of $115,369 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 13 and State House District 91.
The state-house 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 18th State House District. Akashic. https://akashic.app/sld-lower/09018/. Accessed May 20, 2026. License: CC BY 4.0.