Connecticut 12th 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
67.5%
29,955 votes · D+35.1 · modeled estimate
Runner-up · Barack Obama, 2008 · 59.4%
Republican
Dwight D. Eisenhower1956
64.6%
27,790 votes · R+29.2 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 62.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
36,978votes
57.7% of the vote · D+16.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 35,095 votes
Republican
Ronald Reagan1984
32,016votes
61.4% of the vote · R+23.2 · modeled estimate
Runner-up · Richard Nixon, 1972 · 29,845 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
+17.8pts D vs U.S.
Place D+18.3 · U.S. D+0.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +15.2 pts
Republican
William McKinley1896
+18.9pts R vs U.S.
Place R+24.9 · U.S. R+6.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +17.0 pts
current representation
Current officeholders
DChristine CohenState Senate · 12
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2020
D
58.3%23,768
41.7%17,032
40,800
2018
D
60.6%21,601
39.4%14,037
35,638
Connecticut 12th State Senate District sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 35.1 points in 1964 and a Republican high of 30.6 points in 1924. Between 2020 and 2024 the district moved 3.2 points toward the Republican candidate; the 2024 margin was 13.8 points.
A population of 97,405, a 86% non-Hispanic-white share, and a median household income of $122,925 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 33 and State Senate District 30.
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 12th State Senate District. Akashic. https://akashic.app/sld-upper/09012/. Accessed May 20, 2026. License: CC BY 4.0.
How did Connecticut 12th State Senate District vote in 2024?
In 2024, Connecticut 12th State Senate District voted Democratic by 13.8 points (D+13.8), carried by the Democratic candidate. Out of 62,562 votes cast, 35,095 went Democratic and 26,490 went Republican.
When did Connecticut 12th State Senate District last vote Republican?
The most recent presidential election in which Connecticut 12th State Senate District voted Republican was 1988.
How many people live in Connecticut 12th State Senate District?
Connecticut 12th State Senate District has a population of 97,405 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Connecticut 12th State Senate District?
Median household income in Connecticut 12th State Senate District is $122,925 — above the national median of $80,734. The Connecticut state median is $95,781.
What is the political history of Connecticut 12th State Senate District?
Akashic tracks 38 presidential elections in Connecticut 12th State Senate District from 1876 to 2024. Of those, 22 went Democratic and 16 went Republican.