Connecticut 23rd 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
Samuel J. Tilden1876
90.8%
1,007 votes · D+81.6 · modeled estimate
Runner-up · Winfield S. Hancock, 1880 · 88.7%
Republican
Dwight D. Eisenhower1956
35.3%
3,989 votes · D+29.4 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 35.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
21,564votes
82.1% of the vote · D+65.1 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 20,991 votes
Republican
Donald Trump2024
7,651votes
28.3% of the vote · D+42.2 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 5,042 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
Alton B. Parker1904
+77.0pts D vs U.S.
Place D+57.4 · U.S. R+19.7 · modeled estimate
Runner-up · Al Smith, 1928 · +74.2 pts
Republican
William H. Taft1912
−40.3pts R vs U.S.
Place D+59.8 · U.S. D+19.5 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · −41.8 pts
current representation
Current officeholders
DHerron GastonState Senate · 23
State legislative officeholder from OpenStates nightly current-legislator data.
Connecticut 23rd State Senate District sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 81.6 points in 1876. Between 2020 and 2024 the district moved 22.9 points toward the Republican candidate; the 2024 margin was 42.2 points.
A population of 99,338, a 10% non-Hispanic-white share, and a median household income of $51,551 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 10 and State Senate District 31.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Connecticut 23rd State Senate District. Akashic. https://akashic.app/sld-upper/09023/. Accessed May 20, 2026. License: CC BY 4.0.
How did Connecticut 23rd State Senate District vote in 2024?
In 2024, Connecticut 23rd State Senate District voted Democratic by 42.2 points (D+42.2), carried by the Democratic candidate. Out of 27,031 votes cast, 19,048 went Democratic and 7,651 went Republican.
How many people live in Connecticut 23rd State Senate District?
Connecticut 23rd State Senate District has a population of 99,338 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Connecticut 23rd State Senate District?
Median household income in Connecticut 23rd State Senate District is $51,551 — below the national median of $80,734. The Connecticut state median is $95,781.
What is the political history of Connecticut 23rd State Senate District?
Akashic tracks 38 presidential elections in Connecticut 23rd State Senate District from 1876 to 2024. Of those, 38 went Democratic and 0 went Republican.