- Lead
- 3,387
- Total
- 12,242
- vs nation
- D+29.1
Connecticut 133rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,352
- Total
- 12,608
- vs nation
- D+30.1
- Lead
- 2,975
- Total
- 11,158
- vs nation
- D+24.6
- Lead
- 1,866
- Total
- 10,426
- vs nation
- D+14.0
- Lead
- 2,764
- Total
- 10,962
- vs nation
- D+17.9
- Lead
- 1,197
- Total
- 10,454
- vs nation
- D+13.9
- Lead
- 1,575
- Total
- 9,732
- vs nation
- D+15.7
- Lead
- 1,357
- Total
- 9,253
- vs nation
- D+6.1
Key facts
- 2024 presidential margin
- D+27.7MIT Election Lab
- Population
- 24,6872024 5-year
- Population density
- 4,256 / sq mi2024 5-year · TIGER/Line
- Land area
- 5.8 sq miTIGER/Line
- Median household income
- $106,4322024 5-year
- White (non-Hispanic)
- 65.6%2024 5-year
- Black
- 6.3%2024 5-year
- Hispanic / Latino
- 15.6%2024 5-year
- Peak Democratic margin
- D+34.5 in 2020MIT Election Lab
- Peak Republican margin
- R+38.1 in 1924MIT Election Lab
- Most similar
- State House District 142, CT · twin score 90.1
presidential history
Party record book
Connecticut 133rd 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
66.6%
8,399 votes · D+34.5 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 64.4%
Republican
Dwight D. Eisenhower1956
67.1%
4,832 votes · R+34.1 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 62.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
8,399votes
66.6% of the vote · D+34.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 7,711 votes
Republican
Ronald Reagan1984
6,193votes
62.4% of the vote · R+25.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 5,629 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
Joe Biden2020
+30.1pts D vs U.S.
Place D+34.5 · U.S. D+4.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +29.1 pts
Republican
Dwight D. Eisenhower1956
+18.7pts R vs U.S.
Place R+34.1 · U.S. R+15.4 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +16.1 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%6,691 | 38.3%4,159 | 10,850 |
| 2018 | D | 61.4%5,435 | 38.6%3,416 | 8,851 |
With a 2024 presidential margin of D+27.7, this district sits well outside competitive territory, making it a reliable anchor for Democratic legislative margins in the state House.
Across the recorded series it reached a Democratic high of 34.5 points in 2020 and a Republican high of 38.1 points in 1924. Between 2020 and 2024 the district moved 6.9 points toward the Republican candidate; the 2024 margin was 27.7 points.
A population of 24,687, a 66% non-Hispanic-white share, and a median household income of $106,432 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 142 and State House District 136.
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 133rd State House District. Akashic. https://akashic.app/sld-lower/09133/. Accessed May 20, 2026. License: CC BY 4.0.