- Lead
- 3,912
- Total
- 13,928
- vs nation
- D+29.6
Connecticut 42nd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,603
- Total
- 14,769
- vs nation
- D+26.7
- Lead
- 2,667
- Total
- 13,067
- vs nation
- D+18.3
- Lead
- 1,390
- Total
- 12,162
- vs nation
- D+7.6
- Lead
- 2,397
- Total
- 12,709
- vs nation
- D+11.6
- Lead
- 614
- Total
- 12,306
- vs nation
- D+7.4
- Lead
- 1,135
- Total
- 11,490
- vs nation
- D+9.4
- Lead
- 932
- Total
- 11,160
- vs nation
- R+0.2
Key facts
- 2024 presidential margin
- D+28.1MIT Election Lab
- Population
- 23,5182024 5-year
- Population density
- 680 / sq mi2024 5-year · TIGER/Line
- Land area
- 34.6 sq miTIGER/Line
- Median household income
- $250,0012024 5-year
- White (non-Hispanic)
- 81.3%2024 5-year
- Black
- 1.0%2024 5-year
- Hispanic / Latino
- 5.1%2024 5-year
- Peak Democratic margin
- D+31.2 in 2020MIT Election Lab
- Peak Republican margin
- R+42.9 in 1924MIT Election Lab
- Most similar
- State House District 125, CT · twin score 98.8
presidential history
Party record book
Connecticut 42nd 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
Joe Biden2020
64.7%
9,550 votes · D+31.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · 63.1%
Republican
Dwight D. Eisenhower1956
69.9%
6,057 votes · R+39.8 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 65.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
9,550votes
64.7% of the vote · D+31.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · 8,785 votes
Republican
Ronald Reagan1984
7,787votes
65.1% of the vote · R+31.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 7,056 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
Kamala Harris2024
+29.6pts D vs U.S.
Place D+28.1 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +26.7 pts
Republican
Dwight D. Eisenhower1956
+24.4pts R vs U.S.
Place R+39.8 · U.S. R+15.4 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +22.3 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 | 61.7%6,374 | 38.3%3,962 | 10,336 |
| 2018 | D | 61.4%5,177 | 38.6%3,254 | 8,431 |
Connecticut 42nd State House District sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 31.2 points in 2020 and a Republican high of 42.9 points in 1924. Between 2020 and 2024 the district moved 3.1 points toward the Republican candidate; the 2024 margin was 28.1 points.
A population of 23,518, a 81% non-Hispanic-white share, and a median household income of $250,001 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 125 and State House District 141.
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 42nd State House District. Akashic. https://akashic.app/sld-lower/09042/. Accessed May 20, 2026. License: CC BY 4.0.