- Lead
- 2,166
- Total
- 54,374
- vs nation
- R+2.5
Connecticut 34th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 14
- Total
- 56,375
- vs nation
- R+4.5
- Lead
- 3,538
- Total
- 49,449
- vs nation
- R+9.2
- Lead
- 1,183
- Total
- 46,163
- vs nation
- R+1.3
- Lead
- 1,872
- Total
- 48,661
- vs nation
- R+3.4
- Lead
- 4,313
- Total
- 47,843
- vs nation
- R+6.6
- Lead
- 1,481
- Total
- 43,442
- vs nation
- D+2.9
- Lead
- 1,989
- Total
- 41,637
- vs nation
- R+3.7
Key facts
- 2024 presidential margin
- R+4.0MIT Election Lab
- Population
- 96,5102024 5-year
- Population density
- 1,170 / sq mi2024 5-year · TIGER/Line
- Land area
- 82.5 sq miTIGER/Line
- Median household income
- $110,0832024 5-year
- White (non-Hispanic)
- 77.9%2024 5-year
- Black
- 3.0%2024 5-year
- Hispanic / Latino
- 11.3%2024 5-year
- Peak Democratic margin
- D+19.8 in 1964MIT Election Lab
- Peak Republican margin
- R+43.7 in 1956MIT Election Lab
- Most similar
- State Senate District 14, CT · twin score 96.8
presidential history
Party record book
Connecticut 34th State Senate 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
59.9%
23,137 votes · D+19.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 51.4%
Republican
Dwight D. Eisenhower1956
71.9%
30,263 votes · R+43.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 69.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
27,809votes
49.3% of the vote · R+0.02 · modeled estimate
Runner-up · Kamala Harris, 2024 · 25,708 votes
Republican
Ronald Reagan1984
33,796votes
69.0% of the vote · R+38.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · 31,876 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
+2.9pts D vs U.S.
Place D+3.4 · U.S. D+0.5 · modeled estimate
Runner-up · Barack Obama, 2012 · −1.3 pts
Republican
Herbert Hoover1932
+32.1pts R vs U.S.
Place R+14.3 · U.S. D+17.8 · modeled estimate
Runner-up · William McKinley, 1896 · +30.8 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%22,822 | 41.7%16,323 | 39,145 |
| 2018 | D | 60.8%20,841 | 39.2%13,441 | 34,282 |
Connecticut 34th State Senate District sits in New England. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 19.8 points in 1964 and a Republican high of 43.7 points in 1956. Between 2020 and 2024 the district moved 4.0 points toward the Republican candidate; the 2024 margin was 4.0 points.
A population of 96,510, a 78% non-Hispanic-white share, and a median household income of $110,083 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 14 and State Senate District 16.
The state-senate 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 34th State Senate District. Akashic. https://akashic.app/sld-upper/09034/. Accessed May 20, 2026. License: CC BY 4.0.