2024 presidential election
Port Jefferson
HarrisD+6.9
Constituent county margins for Port Jefferson, NYOne 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 | 52.6% | 2,526 |
|---|---|---|
| Donald TrumpRepublican | 45.7% | 2,193 |
| OtherAll other candidates | 1.6% | 79 |
D+60R+60
1 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 | +16.1% |
| 2012 | +9.0% |
| 2016 | +8.4% |
| 2020 | +15.0% |
| 2024 | +6.9% |
DemocraticRepublican
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 2,526 | 2,193 | 4,798 | ||
| D | 2,750 | 2,023 | 4,855 | ||
| D | 2,200 | 1,841 | 4,259 | ||
| D | 2,179 | 1,819 | 3,998 | ||
| D | 2,493 | 1,794 | 4,347 |
Demographics
Demographic profile
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Port JeffersonCity | New YorkState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 81.4% | 55.2% | 61.0% |
| Black | 0.4% | 14.4% | 12.2% |
| Asian | 6.4% | 9.1% | 6.0% |
| Two or more races | 7.6% | 10.3% | 12.6% |
| Other race | 4.3% | 11.1% | 8.2% |
| Hispanic or Latino | 10.5% | 19.8% | 19.3% |
| Income & Age | |||
| Median household income | $144,912 | $85,974 | $84,427 |
| Poverty rate | 5.6% | 14.0% | 12.5% |
| Median age | 45 | 39.9 | 39.1 |
| Age 18–24 | 9.0% | 9.0% | 9.2% |
| Age 65 and older | 17.9% | 18.0% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 67.7% | 40.2% | 35.7% |
| Speaks a non-English language at home | 18.9% | 30.9% | 22.3% |
| Spanish | 7.9% | 14.8% | 13.6% |
| Russian, Polish, or other Slavic | 2.3% | 2.0% | 0.7% |
| Other Asian & Pacific Island | 1.9% | 0.9% | 1.1% |
| Other Indo-European | 1.8% | 4.0% | 2.0% |
| Ancestry | |||
| Largest ancestry | Italian 20.6% | Italian 10.9% | German 12.5% |
| 2nd-largest ancestry | Irish 16.2% | Irish 10.5% | English 9.5% |
| 3rd-largest ancestry | German 11.0% | German 8.6% | Irish 9.4% |
| Religion | |||
| Catholic | 54.9%County context | 30.8% | 18.6% |
| Evangelical Protestant | 3.7%County context | 5.1% | 16.5% |
| Unaffiliated or unclaimed | 32.8%County context | 48.7% | 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 ancestries typically reported within it.
Italian
20.6%
Irish
16.2%
German
11.0%
English
4.2%
Polish
4.0%
American
3.9%
French
1.0%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 45.0 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
$144,912
Port Jefferson$144,912
New York$85,974
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
5.6%
Child poverty is below the national average.
Children under 187.1%
Working age (18–64)6.0%
Seniors (65+)8.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
81.1%
speak English only
Spanish7.9%
Russian, Polish, or other Slavic2.3%
Other Asian & Pacific Island1.9%
Other Indo-European1.8%
Chinese (incl. Mandarin & Cantonese)1.8%
German or other West Germanic1.3%
Korean0.7%
Arabic0.6%
French (incl. Cajun & Haitian)0.4%
Vietnamese0.1%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Unaffiliated or not counted32.8%
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.
Port Jefferson sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 16.1 points in 2008. Between 2020 and 2024 the city moved 8.0 points toward the Republican candidate; the 2024 margin was 6.9 points.
A population of 8,091, a 81% non-Hispanic-white share, and a median household income of $144,912 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.
Port Jefferson, New York. Akashic. https://akashic.app/city/3659355/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Port Jefferson, New York vote in 2024?
In 2024, Port Jefferson, New York voted Democratic by 6.9 points (D+6.9), carried by the Democratic candidate. Out of 4,798 votes cast, 2,526 went Democratic and 2,193 went Republican.
What is Port Jefferson, New York's political typology?
Akashic places Port Jefferson, New York 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 5 times, Republican 0 times, and other 0 times.
How many people live in Port Jefferson, New York?
Port Jefferson, New York has a population of 8,091 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Port Jefferson, New York?
Median household income in Port Jefferson, New York is $144,912 — above the national median of $80,734. The New York state median is $85,974.
What is the political history of Port Jefferson, New York?
Akashic tracks 5 presidential elections in Port Jefferson, New York from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.