2024 presidential election
Old Greenwich
HarrisD+16.0
Constituent county margins for Old Greenwich, CTOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 57.3% | 2,150 |
|---|---|---|
| Donald TrumpRepublican | 41.3% | 1,549 |
| OtherAll other candidates | 1.4% | 54 |
D+60R+60
3 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2008 | +15.6% |
| 2012 | −7.1% |
| 2016 | +30.3% |
| 2020 | +35.2% |
| 2024 | +16.0% |
DemocraticRepublican
5 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 57.3%Harris2,150 | 41.3%Trump1,549 | 1.4% | 3,753 | ||
| D | 66.8%Biden2,661 | 31.6%Trump1,259 | 1.5%incl. Jorgensen | 3,981 | ||
| D | 63.0%Clinton2,098 | 32.7%Trump1,089 | 4.3%incl. Johnson | 3,330 | ||
| R | 46.4%Obama1,449 | 53.6%Romney1,671 | 0.0% | 3,120 | ||
| D | 57.6%Obama2,000 | 42.0%McCain1,459 | 0.4% | 3,473 |
Demographics
Demographic profile
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Old GreenwichCity | ConnecticutState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 77.5% | 65.1% | 61.0% |
| Black | 0.5% | 10.6% | 12.2% |
| Asian | 10.0% | 4.8% | 6.0% |
| Two or more races | 10.6% | 11.3% | 12.6% |
| Other race | 1.4% | 8.1% | 8.2% |
| Hispanic or Latino | 7.2% | 18.3% | 19.3% |
| Income & Age | |||
| Median household income | $250,001 | $95,781 | $84,427 |
| Poverty rate | 3.6% | 10.0% | 12.5% |
| Median age | 40.5 | 41.2 | 39.1 |
| Age 18–24 | 9.1% | 9.3% | 9.2% |
| Age 65 and older | 16.9% | 18.5% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 49.8% | 42.5% | 35.6% |
| Speaks a non-English language at home | 31.0% | 23.4% | 22.3% |
| Spanish | 17.4% | 12.8% | 13.6% |
| Other Indo-European | 6.1% | 4.0% | 2.0% |
| French (incl. Cajun & Haitian) | 1.9% | 1.2% | 0.7% |
| Russian, Polish, or other Slavic | 1.6% | 1.5% | 0.7% |
| Ancestry | |||
| Largest ancestry | Italian 14.7% | Italian 15.3% | German 12.5% |
| 2nd-largest ancestry | Irish 13.0% | Irish 13.9% | Mexican 11.3% |
| 3rd-largest ancestry | English 7.7% | English 8.7% | English 9.5% |
| Religion | |||
| Catholic | 20.6%County context | 28.0% | 18.6% |
| Evangelical Protestant | 4.4%County context | 6.5% | 16.5% |
| Unaffiliated or unclaimed | 67.3%County context | 54.0% | 51.5% |
ACS values are survey estimates and may include margins of error.
Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the origins and ancestries reported within it.
Reported ancestry · ACS B04006
Italian
14.7%
Irish
13.0%
English
7.7%
German
7.4%
Polish
4.2%
American
4.1%
Russian
1.7%
French
1.1%
The ACS does not publish subgroup detail for people reporting two or more races.
Detailed group · ACS B02015
Asian Indian
1.7%
Chinese
1.2%
Filipino
0.5%
Korean
0.3%
Pakistani
0.2%
Vietnamese
0.2%
Laotian
0.2%
Specific origin · ACS B03001
Puerto Rican
5.5%
Ecuadorian
2.6%
Dominican
2.5%
Mexican
2.4%
Guatemalan
1.9%
Colombian
1.6%
Peruvian
0.7%
Honduran
0.7%
American Indian, Alaska Native, Native Hawaiian, Pacific Islander, and other single-race responses combined.
Below 1% of the population here; subgroup estimates are within the survey's margin of error.
Source · American Community Survey 5-year estimates, 2024 release. Race shares: B02001 · B03003. Subgroup detail: B03001 (Hispanic or Latino specific origin), B02015 (Asian groups), B02020 · B02016 (American Indian/Alaska Native tribes and Pacific Islander groups), B04006 (reported ancestry). Hispanic/Latino is an ethnicity that overlaps the race categories, so group shares can total more than 100%. All subgroup rows are shares of total population; ancestry is self-reported and multiple-response, so rows do not sum to the parent group's share.
2024 ACS
Age distribution by sex
Median age: 40.5 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$250,001
Old Greenwich$250,001
Connecticut$95,781
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
3.6%
Child poverty is below the national average.
Children under 1812.1%
Working age (18–64)8.4%
Seniors (65+)10.3%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
69.0%
speak English only
Spanish17.4%
Other Indo-European6.1%
French (incl. Cajun & Haitian)1.9%
Russian, Polish, or other Slavic1.6%
Chinese (incl. Mandarin & Cantonese)1.1%
Other Asian & Pacific Island0.8%
Other languages0.6%
German or other West Germanic0.4%
Arabic0.4%
Tagalog (incl. Filipino)0.3%
Korean0.2%
Vietnamese0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Unaffiliated or not counted67.3%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.
Old Greenwich sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 35.2 points in 2020 and a Republican high of 7.1 points in 2012. Between 2020 and 2024 the city moved 19.2 points toward the Republican candidate; the 2024 margin was 16.0 points.
A population of 6,936, a 78% non-Hispanic-white share, and a median household income of $250,001 describe the city.
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.
Old Greenwich, Connecticut. Akashic. https://akashic.app/city/0956900/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Old Greenwich, Connecticut vote in 2024?
In 2024, Old Greenwich, Connecticut voted Democratic by 16.0 points (D+16.0), carried by the Democratic candidate. Out of 3,753 votes cast, 2,150 went Democratic and 1,549 went Republican.
What is Old Greenwich, Connecticut's political typology?
Akashic places Old Greenwich, Connecticut in the "" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 5 elections in the dataset, the city has voted Democratic 4 times, Republican 1 times, and other 0 times.
When did Old Greenwich, Connecticut last vote Republican?
The most recent presidential election in which Old Greenwich, Connecticut voted Republican was 2012.
How many people live in Old Greenwich, Connecticut?
Old Greenwich, Connecticut has a population of 6,936 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Old Greenwich, Connecticut?
Median household income in Old Greenwich, Connecticut is $250,001 — above the national median of $80,734. The Connecticut state median is $95,781.
What is the political history of Old Greenwich, Connecticut?
Akashic tracks 5 presidential elections in Old Greenwich, Connecticut from 2008 to 2024. Of those, 4 went Democratic and 1 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.