Connecticut 5th 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
77.3%
33,643 votes · D+54.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 70.1%
Republican
William McKinley1896
62.5%
2,683 votes · R+30.3 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 56.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
39,874votes
68.9% of the vote · D+39.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 37,867 votes
Republican
Ronald Reagan1984
22,981votes
49.1% of the vote · D+1.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · 21,431 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
Kamala Harris2024
+39.1pts D vs U.S.
Place D+37.7 · U.S. R+1.5 · modeled estimate
Runner-up · Al Gore, 2000 · +35.0 pts
Republican
William McKinley1896
+24.2pts R vs U.S.
Place R+30.3 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · +11.6 pts
current representation
Current officeholders
DDerek SlapState Senate · 5
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
63.4%29,025
36.6%16,739
45,764
2018
D
63.6%22,614
36.4%12,956
35,570
Covering parts of the Naugatuck Valley and surrounding towns, this district backed the Republican presidential candidate by 8 points in 2024, making it a rare GOP-leaning pocket in a state that trended Democratic statewide.
Across the recorded series it reached a Democratic high of 54.8 points in 1964 and a Republican high of 30.3 points in 1896. Between 2020 and 2024 the district moved 1.7 points toward the Republican candidate; the 2024 margin was 37.7 points.
A population of 98,983, a 71% non-Hispanic-white share, and a median household income of $135,294 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 4 and State Senate District 29.
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 5th State Senate District. Akashic. https://akashic.app/sld-upper/09005/. Accessed May 20, 2026. License: CC BY 4.0.
How did Connecticut 5th State Senate District vote in 2024?
In 2024, Connecticut 5th State Senate District voted Democratic by 37.7 points (D+37.7), carried by the Democratic candidate. Out of 55,817 votes cast, 37,867 went Democratic and 16,846 went Republican.
When did Connecticut 5th State Senate District last vote Republican?
The most recent presidential election in which Connecticut 5th State Senate District voted Republican was 1956.
How many people live in Connecticut 5th State Senate District?
Connecticut 5th State Senate District has a population of 98,983 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Connecticut 5th State Senate District?
Median household income in Connecticut 5th State Senate District is $135,294 — above the national median of $80,734. The Connecticut state median is $95,781.
What is the political history of Connecticut 5th State Senate District?
Akashic tracks 38 presidential elections in Connecticut 5th State Senate District from 1876 to 2024. Of those, 31 went Democratic and 7 went Republican.