HarrisDemocratic57.8%1,415TrumpRepublican40.4%989OtherAll other candidates1.8%44
D+17.4- Lead
- 426
- Total
- 2,448
- vs nation
- D+18.9
- Turnout
- —
Akashiccity
Collinsville, CT
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic58.2%1,427TrumpRepublican40.0%980OtherAll other candidates1.9%46
D+18.2- Lead
- 447
- Total
- 2,453
- vs nation
- D+13.8
- Turnout
- —
ClintonDemocratic51.6%1,140TrumpRepublican43.3%957OtherAll other candidates5.0%111
D+8.3- Lead
- 183
- Total
- 2,208
- vs nation
- D+6.2
- Turnout
- —
ObamaDemocratic51.5%1,126RomneyRepublican47.3%1,034OtherAll other candidates1.2%26
D+4.2- Lead
- 92
- Total
- 2,186
- vs nation
- D+0.4
- Turnout
- —
ObamaDemocratic58.7%1,286McCainRepublican39.9%873OtherAll other candidates1.4%30
D+18.9- Lead
- 413
- Total
- 2,189
- vs nation
- D+11.6
- Turnout
- —
KerryDemocratic52.2%1,106BushRepublican46.0%976OtherAll other candidates1.8%38
D+6.1- Lead
- 130
- Total
- 2,120
- vs nation
- D+8.6
- Turnout
- —
Key facts
- 2024 presidential margin
- D+17.4MIT Election Lab
- Population
- 3,9632024 5-year
- Median household income
- $94,8152024 5-year
- White (non-Hispanic)
- 88.1%2024 5-year
- Black
- 1.9%2024 5-year
- Hispanic / Latino
- 1.6%2024 5-year
- Peak Democratic margin
- D+18.9 in 2008MIT Election Lab
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +6.1% |
| 2008 | +18.9% |
| 2012 | +4.2% |
| 2016 | +8.3% |
| 2020 | +18.2% |
| 2024 | +17.4% |
DemocraticRepublican
6 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 57.8%Harris1,415 | 40.4%Trump989 | 1.8% | D+17.4 | R+0.8 | D+18.9 | 2,448 | |
| D | 58.2%Biden1,427 | 40.0%Trump980 | 1.9% | D+18.2 | D+9.9 | D+13.8 | 2,453 | |
| D | 51.6%Clinton1,140 | 43.3%Trump957 | 5.0% | D+8.3 | D+4.1 | D+6.2 | 2,208 | |
| D | 51.5%Obama1,126 | 47.3%Romney1,034 | 1.2% | D+4.2 | R+14.7 | D+0.4 | 2,186 | |
| D | 58.7%Obama1,286 | 39.9%McCain873 | 1.4% | D+18.9 | D+12.7 | D+11.6 | 2,189 | |
| D | 52.2%Kerry1,106 | 46.0%Bush976 | 1.8% | D+6.1 | — | D+8.6 | 2,120 |
Federal and statewide elections · 2 House
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 55.6%1,318 | 44.4%1,053 | 2,371 |
| 2020 | D | 55.5%1,294 | 44.5%1,037 | 2,331 |
Collinsville sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 18.9 points in 2008. Between 2020 and 2024 the city moved 0.8 points toward the Republican candidate; the 2024 margin was 17.4 points.
A population of 3,963, a 88% non-Hispanic-white share, and a median household income of $94,815 describe the city.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Collinsville, Connecticut. Akashic. https://akashic.app/city/0916120/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Connecticut at the ballot boxAll elections →
Frequently asked questions
How did Collinsville, Connecticut vote in 2024?
In 2024, Collinsville, Connecticut voted Democratic by 17.4 points (D+17.4), carried by the Democratic candidate. Out of 2,448 votes cast, 1,415 went Democratic and 989 went Republican.
How many people live in Collinsville, Connecticut?
Collinsville, Connecticut has a population of 3,963 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Collinsville, Connecticut?
Median household income in Collinsville, Connecticut is $94,815 — above the national median of $80,734. The Connecticut state median is $95,781.
What is the political history of Collinsville, Connecticut?
Akashic tracks 6 presidential elections in Collinsville, Connecticut from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.