- Lead
- 3,207
- Total
- 8,441
- vs nation
- D+39.5
Connecticut 10th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,266
- Total
- 9,523
- vs nation
- D+40.3
- Lead
- 3,762
- Total
- 8,875
- vs nation
- D+40.3
- Lead
- 3,942
- Total
- 8,682
- vs nation
- D+41.5
- Lead
- 4,633
- Total
- 9,246
- vs nation
- D+42.8
- Lead
- 3,392
- Total
- 8,491
- vs nation
- D+42.4
- Lead
- 3,604
- Total
- 8,042
- vs nation
- D+44.3
- Lead
- 3,415
- Total
- 7,660
- vs nation
- D+36.1
Key facts
- 2024 presidential margin
- D+38.0MIT Election Lab
- Population
- 23,5702024 5-year
- Population density
- 2,678 / sq mi2024 5-year · TIGER/Line
- Land area
- 8.8 sq miTIGER/Line
- Median household income
- $71,6702024 5-year
- White (non-Hispanic)
- 31.8%2024 5-year
- Black
- 26.1%2024 5-year
- Hispanic / Latino
- 34.3%2024 5-year
- Peak Democratic margin
- D+62.0 in 1964MIT Election Lab
- Peak Republican margin
- R+22.1 in 1896MIT Election Lab
- Most similar
- State House District 24, CT · twin score 94.7
presidential history
Party record book
Connecticut 10th State House 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
81.0%
6,168 votes · D+62.0 · modeled estimate
Runner-up · Barack Obama, 2008 · 74.7%
Republican
William McKinley1896
59.9%
402 votes · R+22.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 54.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
6,910votes
74.7% of the vote · D+50.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 6,801 votes
Republican
Ronald Reagan1984
3,394votes
43.9% of the vote · D+12.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 3,168 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 Gore2000
+44.3pts D vs U.S.
Place D+44.8 · U.S. D+0.5 · modeled estimate
Runner-up · Barack Obama, 2008 · +42.8 pts
Republican
William McKinley1896
+16.0pts R vs U.S.
Place R+22.1 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · +1.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2020 | D | 63.4%6,912 | 36.6%3,986 | 10,898 |
| 2018 | D | 63.6%5,385 | 36.4%3,085 | 8,470 |
With a 2024 presidential margin of D+38, this district ranks among the state's most reliably Democratic constituencies, suggesting a dense, urban-leaning electorate where competitive general elections are rare.
Across the recorded series it reached a Democratic high of 62.0 points in 1964 and a Republican high of 22.1 points in 1896. Between 2020 and 2024 the district moved 6.8 points toward the Republican candidate; the 2024 margin was 38.0 points.
A population of 23,570, a 32% non-Hispanic-white share, and a median household income of $71,670 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 24 and State House District 129.
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.
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 House District. Akashic. https://akashic.app/sld-lower/09010/. Accessed May 20, 2026. License: CC BY 4.0.