- Lead
- 2,682
- Total
- 10,019
- vs nation
- D+28.2
Connecticut 147th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,663
- Total
- 13,042
- vs nation
- D+23.6
- Lead
- 2,509
- Total
- 11,579
- vs nation
- D+19.6
- Lead
- 1,356
- Total
- 10,930
- vs nation
- D+8.6
- Lead
- 2,261
- Total
- 11,429
- vs nation
- D+12.5
- Lead
- 646
- Total
- 11,078
- vs nation
- D+8.3
- Lead
- 1,122
- Total
- 10,155
- vs nation
- D+10.5
- Lead
- 919
- Total
- 9,627
- vs nation
- D+1.0
Key facts
- 2024 presidential margin
- D+26.8MIT Election Lab
- Population
- 23,8662024 5-year
- Population density
- 2,983 / sq mi2024 5-year · TIGER/Line
- Land area
- 8 sq miTIGER/Line
- Median household income
- $121,5072024 5-year
- White (non-Hispanic)
- 64.0%2024 5-year
- Black
- 6.2%2024 5-year
- Hispanic / Latino
- 18.9%2024 5-year
- Peak Democratic margin
- D+28.1 in 2020MIT Election Lab
- Peak Republican margin
- R+43.9 in 1924MIT Election Lab
- Most similar
- State House District 143, CT · twin score 97.7
presidential history
Party record book
Connecticut 147th 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
63.4%
8,274 votes · D+28.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 62.6%
Republican
Dwight D. Eisenhower1956
69.4%
5,390 votes · R+38.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 66.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
8,274votes
63.4% of the vote · D+28.1 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 6,826 votes
Republican
Ronald Reagan1984
6,948votes
64.9% of the vote · R+30.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 6,295 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
+28.2pts D vs U.S.
Place D+26.8 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +23.6 pts
Republican
Dwight D. Eisenhower1956
+23.3pts R vs U.S.
Place R+38.7 · U.S. R+15.4 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +21.4 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%6,469 | 38.3%4,020 | 10,489 |
| 2018 | D | 61.4%5,254 | 38.6%3,302 | 8,556 |
With a 2024 presidential margin of D+26.8 in a district of roughly 24,000 residents, HD-147 ranks among the most reliably blue state house seats in Connecticut, suggesting a dense, urban-leaning electorate with little recent competitive pressure.
Across the recorded series it reached a Democratic high of 28.1 points in 2020 and a Republican high of 43.9 points in 1924. Between 2020 and 2024 the district moved 1.3 points toward the Republican candidate; the 2024 margin was 26.8 points.
A population of 23,866, a 64% non-Hispanic-white share, and a median household income of $121,507 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 143 and State House District 142.
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 147th State House District. Akashic. https://akashic.app/sld-lower/09147/. Accessed May 20, 2026. License: CC BY 4.0.