- Lead
- 4,918
- Total
- 13,695
- vs nation
- D+37.4
Connecticut 20th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,392
- Total
- 13,513
- vs nation
- D+28.0
- Lead
- 3,479
- Total
- 12,152
- vs nation
- D+26.5
- Lead
- 3,774
- Total
- 11,765
- vs nation
- D+28.2
- Lead
- 4,634
- Total
- 12,404
- vs nation
- D+30.1
- Lead
- 2,944
- Total
- 11,637
- vs nation
- D+27.8
- Lead
- 3,442
- Total
- 10,985
- vs nation
- D+30.8
- Lead
- 3,322
- Total
- 10,678
- vs nation
- D+22.6
Key facts
- 2024 presidential margin
- D+35.9MIT Election Lab
- Population
- 24,7802024 5-year
- Population density
- 2,950 / sq mi2024 5-year · TIGER/Line
- Land area
- 8.4 sq miTIGER/Line
- Median household income
- $102,5552024 5-year
- White (non-Hispanic)
- 63.8%2024 5-year
- Black
- 6.0%2024 5-year
- Hispanic / Latino
- 14.4%2024 5-year
- Peak Democratic margin
- D+51.2 in 1964MIT Election Lab
- Peak Republican margin
- R+33.9 in 1896MIT Election Lab
- Most similar
- State House District 60, CT · twin score 96.9
presidential history
Party record book
Connecticut 20th 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
75.5%
7,541 votes · D+51.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 68.0%
Republican
William McKinley1896
65.4%
660 votes · R+33.9 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 60.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
9,172votes
67.0% of the vote · D+35.9 · modeled estimate
Runner-up · Joe Biden, 2020 · 8,841 votes
Republican
Ronald Reagan1984
5,723votes
51.8% of the vote · R+3.9 · modeled estimate
Runner-up · Richard Nixon, 1972 · 5,323 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
+37.4pts D vs U.S.
Place D+35.9 · U.S. R+1.5 · modeled estimate
Runner-up · Al Gore, 2000 · +30.8 pts
Republican
William McKinley1896
+27.8pts R vs U.S.
Place R+33.9 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · +16.2 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%7,266 | 36.6%4,191 | 11,457 |
| 2018 | D | 63.6%5,661 | 36.4%3,244 | 8,905 |
With a 2024 presidential margin exceeding 35 points, this district ranks among the most reliably blue constituencies in the state, reflecting a heavily urban or dense-suburban electorate that has shown consistent lopsided Democratic alignment.
Across the recorded series it reached a Democratic high of 51.2 points in 1964 and a Republican high of 33.9 points in 1896. Between 2020 and 2024 the district moved 3.4 points toward the Democratic candidate; the 2024 margin was 35.9 points.
A population of 24,780, a 64% non-Hispanic-white share, and a median household income of $102,555 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 60 and State House District 88.
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 20th State House District. Akashic. https://akashic.app/sld-lower/09020/. Accessed May 20, 2026. License: CC BY 4.0.