Groton, Connecticut
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +18.1% |
| 2008 | +25.6% |
| 2012 | +26.2% |
| 2016 | +18.6% |
| 2020 | +27.4% |
| 2024 | +23.4% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 60.7%Harris2,511 | 37.2%Trump1,541 | 2.1% | D+23.4 | R+4.0 | D+24.9 | 4,140 | |
| D | 62.3%Biden2,583 | 34.9%Trump1,446 | 2.8% | D+27.4 | D+8.9 | D+23.0 | 4,146 | |
| D | 56.2%Clinton2,045 | 37.6%Trump1,369 | 6.2% | D+18.6 | R+7.6 | D+16.5 | 3,641 | |
| D | 62.3%Obama2,071 | 36.1%Romney1,200 | 1.6% | D+26.2 | D+0.6 | D+22.3 | 3,324 | |
| D | 62.0%Obama2,238 | 36.5%McCain1,316 | 1.5% | D+25.6 | D+7.5 | D+18.3 | 3,608 | |
| D | 58.1%Kerry1,966 | 40.0%Bush1,354 | 1.9% | D+18.1 | — | D+20.5 | 3,383 |
Groton sits across the Thames from New London and hosts the U.S. Navy's primary submarine base, Naval Submarine Base New London, giving the city an unusually high concentration of active-duty military and defense-industry workers for its size.
Across the recorded series it reached a Democratic high of 27.4 points in 2020. Between 2020 and 2024 the city moved 4.0 points toward the Republican candidate; the 2024 margin was 23.4 points.
A population of 9,490, a 62% non-Hispanic-white share, and a median household income of $79,577 describe the city. The city's voting pattern over the last decade is most similar to that of Rensselaer and Clinton.
The cities 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Groton, Connecticut. Akashic. https://akashic.app/city/0934180/. Accessed May 20, 2026. License: CC BY 4.0.