- Lead
- 1,252
- Total
- 14,139
- vs nation
- R+7.4
Connecticut 89th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,170
- Total
- 14,551
- vs nation
- R+12.5
- Lead
- 2,094
- Total
- 13,175
- vs nation
- R+18.0
- Lead
- 801
- Total
- 12,131
- vs nation
- R+10.5
- Lead
- 711
- Total
- 12,788
- vs nation
- R+12.8
- Lead
- 2,330
- Total
- 12,749
- vs nation
- R+15.8
- Lead
- 606
- Total
- 11,515
- vs nation
- R+5.8
- Lead
- 367
- Total
- 11,114
- vs nation
- R+11.8
Key facts
- 2024 presidential margin
- R+8.9MIT Election Lab
- Population
- 23,1142024 5-year
- Population density
- 509 / sq mi2024 5-year · TIGER/Line
- Land area
- 45.4 sq miTIGER/Line
- Median household income
- $138,4132024 5-year
- White (non-Hispanic)
- 83.3%2024 5-year
- Black
- 2.9%2024 5-year
- Hispanic / Latino
- 6.1%2024 5-year
- Peak Democratic margin
- D+10.7 in 1964MIT Election Lab
- Peak Republican margin
- R+50.9 in 1956MIT Election Lab
- Most similar
- State House District 87, CT · twin score 94.8
presidential history
Party record book
Connecticut 89th 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
55.3%
5,579 votes · D+10.7 · modeled estimate
Runner-up · Barack Obama, 2008 · 46.6%
Republican
Dwight D. Eisenhower1956
75.5%
8,812 votes · R+50.9 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 72.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
6,581votes
45.2% of the vote · R+8.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 6,334 votes
Republican
Ronald Reagan1984
9,804votes
72.8% of the vote · R+46.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 9,268 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
Al Gore2000
−5.8pts D vs U.S.
Place R+5.3 · U.S. D+0.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · −7.4 pts
Republican
Herbert Hoover1932
+40.7pts R vs U.S.
Place R+22.9 · U.S. D+17.8 · modeled estimate
Runner-up · William McKinley, 1896 · +38.5 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 | 58.3%5,423 | 41.7%3,877 | 9,300 |
| 2018 | D | 60.8%4,959 | 39.2%3,192 | 8,151 |
Connecticut House District 89 bucks the state's overall Democratic lean, delivering a margin more typical of suburban or rural New England communities where ticket-splitting remains a live variable.
Across the recorded series it reached a Democratic high of 10.7 points in 1964 and a Republican high of 50.9 points in 1956. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 8.9 points.
A population of 23,114, a 83% non-Hispanic-white share, and a median household income of $138,413 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 87 and State House District 90.
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 89th State House District. Akashic. https://akashic.app/sld-lower/09089/. Accessed May 20, 2026. License: CC BY 4.0.