Connecticut 115th 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
72.0%
5,340 votes · D+44.1 · modeled estimate
Runner-up · Barack Obama, 2008 · 64.3%
Republican
Dwight D. Eisenhower1956
59.8%
4,060 votes · R+19.6 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 56.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
5,708votes
61.2% of the vote · D+23.7 · modeled estimate
Runner-up · Barack Obama, 2008 · 5,693 votes
Republican
Ronald Reagan1984
4,500votes
56.4% of the vote · R+13.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 4,257 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
+27.3pts D vs U.S.
Place D+27.8 · U.S. D+0.5 · modeled estimate
Runner-up · Al Smith, 1928 · +25.0 pts
Republican
William H. Taft1912
+9.2pts R vs U.S.
Place D+10.3 · U.S. D+19.5 · modeled estimate
Runner-up · William McKinley, 1896 · +7.0 pts
current representation
Current officeholders
DBill HeffernanState House · 115
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%5,379
41.7%3,846
9,225
2018
D
60.8%4,918
39.2%3,166
8,084
With a 2024 presidential margin of D+21.3, District 115 sits well outside competitive territory. Its roughly 23,000 residents reflect the densely populated, college-educated suburban pattern common along Connecticut's southwestern shoreline.
Across the recorded series it reached a Democratic high of 44.1 points in 1964 and a Republican high of 22.0 points in 1924. Between 2020 and 2024 the district moved 2.3 points toward the Republican candidate; the 2024 margin was 21.3 points.
A population of 22,926, a 50% non-Hispanic-white share, and a median household income of $68,025 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 26 and State House District 73.
Akashic
Political twins — state-house districts
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.
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 115th State House District. Akashic. https://akashic.app/sld-lower/09115/. Accessed May 20, 2026. License: CC BY 4.0.
How did Connecticut 115th State House District vote in 2024?
In 2024, Connecticut 115th State House District voted Democratic by 21.3 points (D+21.3), carried by the Democratic candidate. Out of 8,467 votes cast, 5,079 went Democratic and 3,273 went Republican.
When did Connecticut 115th State House District last vote Republican?
The most recent presidential election in which Connecticut 115th State House District voted Republican was 1984.
How many people live in Connecticut 115th State House District?
Connecticut 115th State House District has a population of 22,926 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Connecticut 115th State House District?
Median household income in Connecticut 115th State House District is $68,025 — below the national median of $80,734. The Connecticut state median is $95,781.
What is the political history of Connecticut 115th State House District?
Akashic tracks 38 presidential elections in Connecticut 115th State House District from 1876 to 2024. Of those, 28 went Democratic and 10 went Republican.