- Lead
- 14,458
- Total
- 29,880
- vs nation
- D+49.9
Connecticut 10th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 21,771
- Total
- 31,381
- vs nation
- D+64.9
- Lead
- 22,240
- Total
- 30,395
- vs nation
- D+71.1
- Lead
- 24,373
- Total
- 31,034
- vs nation
- D+74.7
- Lead
- 26,014
- Total
- 33,313
- vs nation
- D+70.8
- Lead
- 21,358
- Total
- 29,284
- vs nation
- D+75.4
- Lead
- 22,023
- Total
- 29,145
- vs nation
- D+75.0
- Lead
- 19,995
- Total
- 27,312
- vs nation
- D+64.7
Key facts
- 2024 presidential margin
- D+48.4MIT Election Lab
- Population
- 96,7152024 5-year
- Population density
- 6,535 / sq mi2024 5-year · TIGER/Line
- Land area
- 14.8 sq miTIGER/Line
- Median household income
- $56,2522024 5-year
- White (non-Hispanic)
- 24.2%2024 5-year
- Black
- 38.6%2024 5-year
- Hispanic / Latino
- 26.5%2024 5-year
- Peak Democratic margin
- D+84.7 in 1964MIT Election Lab
- Most similar
- State Senate District 23, CT · twin score 96.1
presidential history
Party record book
Connecticut 10th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
92.3%
27,581 votes · D+84.7 · modeled estimate
Runner-up · Barack Obama, 2012 · 89.0%
Republican
Donald Trump2024
24.9%
7,449 votes · D+48.4 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 23.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
29,446votes
88.4% of the vote · D+78.1 · modeled estimate
Runner-up · Barack Obama, 2012 · 27,621 votes
Republican
Donald Trump2024
7,449votes
24.9% of the vote · D+48.4 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 4,870 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Al Smith1928
+88.2pts D vs U.S.
Place D+70.8 · U.S. R+17.5 · modeled estimate
Runner-up · George McGovern, 1972 · +79.0 pts
Republican
William H. Taft1912
−39.9pts R vs U.S.
Place D+59.5 · U.S. D+19.5 · modeled estimate
Runner-up · Herbert Hoover, 1932 · −48.4 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Connecticut 10th State Senate District sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 84.7 points in 1964. Between 2020 and 2024 the district moved 21.0 points toward the Republican candidate; the 2024 margin was 48.4 points.
A population of 96,715, a 24% non-Hispanic-white share, and a median household income of $56,252 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 23 and State Senate District 32.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Connecticut 10th State Senate District. Akashic. https://akashic.app/sld-upper/09010/. Accessed May 20, 2026. License: CC BY 4.0.