- Lead
- 3,078
- Total
- 10,743
- vs nation
- D+30.1
Connecticut 140th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,228
- Total
- 7,687
- vs nation
- D+50.5
- Lead
- 3,995
- Total
- 6,977
- vs nation
- D+55.2
- Lead
- 3,269
- Total
- 6,366
- vs nation
- D+47.5
- Lead
- 3,915
- Total
- 6,850
- vs nation
- D+49.9
- Lead
- 2,917
- Total
- 6,240
- vs nation
- D+49.2
- Lead
- 2,898
- Total
- 5,872
- vs nation
- D+48.8
- Lead
- 2,554
- Total
- 5,483
- vs nation
- D+38.1
Key facts
- 2024 presidential margin
- D+28.7MIT Election Lab
- Population
- 23,4962024 5-year
- Population density
- 11,189 / sq mi2024 5-year · TIGER/Line
- Land area
- 2.1 sq miTIGER/Line
- Median household income
- $75,1732024 5-year
- White (non-Hispanic)
- 22.0%2024 5-year
- Black
- 19.9%2024 5-year
- Hispanic / Latino
- 49.6%2024 5-year
- Peak Democratic margin
- D+59.6 in 1964MIT Election Lab
- Peak Republican margin
- R+7.4 in 1924MIT Election Lab
- Most similar
- State House District 72, CT · twin score 96.2
presidential history
Party record book
Connecticut 140th 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
79.8%
4,291 votes · D+59.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 78.2%
Republican
Dwight D. Eisenhower1956
47.9%
1,728 votes · D+4.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 46.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
6,831votes
63.6% of the vote · D+28.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 5,926 votes
Republican
Donald Trump2024
3,753votes
34.9% of the vote · D+28.7 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 2,221 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
Hillary Clinton2016
+55.2pts D vs U.S.
Place D+57.3 · U.S. D+2.1 · modeled estimate
Runner-up · Joe Biden, 2020 · +50.5 pts
Republican
Calvin Coolidge1924
−17.7pts R vs U.S.
Place R+7.4 · U.S. R+25.2 · modeled estimate
Runner-up · Herbert Hoover, 1932 · −19.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+28.7, this Hartford-area district ranks among the state's most reliably Democratic constituencies, where turnout patterns and demographic composition consistently produce lopsided legislative results.
Across the recorded series it reached a Democratic high of 59.6 points in 1964 and a Republican high of 7.4 points in 1924. Between 2020 and 2024 the district moved 26.4 points toward the Republican candidate; the 2024 margin was 28.7 points.
A population of 23,496, a 22% non-Hispanic-white share, and a median household income of $75,173 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 72 and State House District 110.
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 140th State House District. Akashic. https://akashic.app/sld-lower/09140/. Accessed May 20, 2026. License: CC BY 4.0.