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CITY

Port Jefferson

New York · 8,306 residents (2025 est.) · 3.06 sq mi
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The short version

Port Jefferson is home to 8,091 people in New York. This is an unusually credentialed place: 68% of adults have a four-year degree. Households here earn about 69% more than in New York as a whole. Few US cities rank higher on income. The median household earns $144,912, about 76% above the national median. The median age is 45.0, about 6 years above the US median.

At a glance
Wealthier
median household income $144,912, above the US median
US median: $82,259
Older
median age 45.0
US median: 38.9
More educated
68% hold a bachelor's degree
US average: 36%
Less affordable
home values up 43%, inflation adjusted
US median home: $376,019
Unique to this place

What stands out about Port Jefferson

What changed most since 1990

  • Adults with a bachelor's degree41.3% → 67.7% (+26.4 pts)US over the same years: +15.3 pts
  • Median home value (2024 dollars)$546,256 → $655,800 (+20%)US over the same years: +67%
  • Homes owned by their occupants66.0% → 72.0% (+6.0 pts)US over the same years: +0.9 pts

Among the 810 cities and towns in the New York metro

  • 311th in household income$144,912
  • 174th in share with a bachelor's degree67.7%
  • 334th in home value$655,800
  • 530th in diversity score46.3
Section 01

Population & growth

Total population
8,091
+3%since 2000
from 7,837 in 2000
8,306 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
2,642 / sq mi
+3%since 2000
from 2,559 / sq mi in 2000
US average: 281
Median age
45.0
+11%since 2000
from 40.4 in 2000
US average: 38.9
Land area
3.06 sq mi
Population, 1990 – 2024
7K8K8K8K8K19902000201020202024Port Jefferson
20248K
1990201020202024
Age distribution, 2024
Under 54.2%(340)
US avg: 5.6%
5 to 93.6%(295)
US avg: 6%
10 to 146.7%(539)
US avg: 6.4%
15 to 195.6%(456)
US avg: 6.6%
20 to 246.6%(535)
US avg: 6.5%
25 to 3411.7%(947)
US avg: 13.7%
35 to 4411.5%(932)
US avg: 13.2%
45 to 5413%(1,051)
US avg: 12.2%
55 to 6413.6%(1,097)
US avg: 12.7%
65 to 7413.6%(1,099)
US avg: 10.2%
75 to 846.5%(526)
US avg: 5.1%
85 and over3.4%(274)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$144,912
+22%inflation adjusted, since 2000
from $65,119 in 2000
US average: $82,259
1990 – 2024
Per capita income
$75,961
+124%since 2000
from $33,852 in 2000
US average: $44,673
Households earning $100K+
76.6%
+14.8 ptssince 2009
from 61.8% in 2009
US average: 53.3%
Poverty rate
5.6%
−1.6 ptssince 2000
from 7.2% in 2000
US average: 12.5%
Income inequality (Gini)
0.410
−3%since 2010
from 0.424 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade6.3%
US avg: 9.9%
Other services5.6%
US avg: 6.7%
Information5.5%
US avg: 10.8%
Finance & insurance4%
US avg: 5.9%
Transportation & warehousing3.3%
US avg: 2.2%
Professional, scientific, technical3.1%
US avg: 5.1%
Public administration3%
US avg: 4.8%
Wholesale trade2.5%
US avg: 6.9%
Arts, entertainment, food1.7%
US avg: 1.9%
Education & health services0.9%
US avg: 0.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$655,800
+43%inflation adjusted, since 2000
from $251,300 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$2,349
+41%inflation adjusted, since 2000
from $916 in 2000
US average: $1,442
Owner-occupied
72.0%
Unchangedsince 2000
from 72.0% in 2000
28.0% rent
Vacancy rate
8.6%
+3.2 ptssince 2009
from 5.3% in 2009
US average: 10.0%
Persons per household
2.40 people
−5%since 2009
from 2.52 people in 2009
US average: 2.54
Owner cost-burdened
28.4%
−5.4 ptssince 2009
from 33.8% in 2009
US average: 22.9%
Renter cost-burdened
42.4%
−13.3 ptssince 2009
from 55.6% in 2009
US average: 47.4%
Afford Score
4.5
−15%since 2009
from 5.3 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
40
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic88.7%(6,950)
Black1.6%(126)
Hispanic / Latino5.2%(408)
Asian3.3%(261)
Other0%
2024
White, non-Hispanic78.3%(6,334)
Black0.4%(31)
Hispanic / Latino10.5%(851)
Asian6.4%(516)
Other4.4%(359)
Diversity Score
46
+36%since 2009
from 34 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Salvadoran2.8%(224)
Spaniard1.5%(118)
Mexican1.4%(117)
Colombian1.2%(99)
Dominican0.5%(39)
Chilean0.3%(27)
Guatemalan0.2%(16)
Ecuadorian0.1%(12)
Cuban0.1%(11)
+ 2 more hispanic origin groups with data
Nicaraguan0.1%(11)
Argentine0.1%(9)
Asian origin
Chinese1.9%(154)
Asian Indian1.6%(128)
Pakistani0.8%(65)
Korean0.8%(64)
Sri Lankan0.4%(32)
Indonesian0.3%(24)
Malaysian0.3%(23)
Japanese0.1%(9)
Vietnamese0.1%(9)
Filipino0.1%(8)
Ancestry
Irish22.3%(1,807)
Italian20.9%(1,690)
German15%(1,217)
English8.7%(702)
American5.5%(444)
Polish4.7%(383)
Russian2.3%(183)
French1.8%(143)
Armenian1.7%(141)
Norwegian1.3%(109)
Scottish1.2%(100)
Greek1.1%(91)
+ 29 more ancestry groups with data
Dutch1.1%(90)
Arab0.9%(71)
Portuguese0.6%(51)
Welsh0.6%(48)
Slovak0.5%(44)
Ukrainian0.5%(44)
Austrian0.5%(40)
Finnish0.5%(40)
Iranian0.5%(38)
Bulgarian0.5%(37)
Hungarian0.4%(36)
Croatian0.4%(33)
Swedish0.4%(32)
British0.3%(28)
Serbian0.3%(26)
Scotch-Irish0.3%(24)
Brazilian0.2%(20)
Lebanese0.2%(19)
Egyptian0.2%(17)
Swiss0.2%(15)
Lithuanian0.2%(13)
Danish0.1%(11)
Romanian0.1%(10)
Czech0.1%(8)
Turkish0.1%(7)
Haitian0.1%(6)
Section 05

Education

Bachelor's degree or higher
67.7%
+14.3 ptssince 2000
from 53.4% in 2000
US average: 35.6%
High school or higher
97.4%
+4.5 ptssince 2000
from 92.9% in 2000
US average: 89.6%
Graduate degree
41.3%
+9.0 ptssince 2000
from 32.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
30.2 min
+40%since 2000
from 21.5 min in 2000
US average: 26.5
Drive alone to work
69.2%
−7.0 ptssince 2009
from 76.2% in 2009
US average: 68.9%
Carpooled to work
8.1%
−2.1 ptssince 2009
from 10.2% in 2009
US average: 8.5%
Public transit
4.5%
+1.9 ptssince 2009
from 2.6% in 2009
US average: 3.2%
Worked from home
15.7%
+10.2 ptssince 2009
from 5.4% in 2009
US average: 15.0%
Walked to work
0.8%
−2.6 ptssince 2009
from 3.4% in 2009
US average: 2.4%
Biked to work
0.3%
−0.9 ptssince 2009
from 1.2% in 2009
US average: 0.4%
No vehicle available
4.1%
+1.5 ptssince 2009
from 2.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.3%
−3.0 ptssince 2011
from 6.3% in 2011
US average: 5.2%
Labor force participation
66.4%
+2.7 ptssince 2011
from 63.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
76.4%
+5.2 ptssince 2020
from 71.2% in 2020
US average: 74.6%
Self-employed
19.0%
+2.3 ptssince 2009
from 16.7% in 2009
US average: 13.1%
Management & professional
62.1%
+7.1 ptssince 2009
from 55.0% in 2009
US average: 42.5%
Section 08

People & community

Male
47.8%
+0.1 ptssince 2009
from 47.7% in 2009
Female
52.2%
−0.1 ptssince 2009
from 52.3% in 2009
Foreign born
17.0%
+5.6 ptssince 2009
from 11.4% in 2009
US average: 14.1%
Veterans
3.2%
−5.3 ptssince 2009
from 8.4% in 2009
US average: 6.2%
With a disability
12.9%
+4.9 ptssince 2012
from 8.0% in 2012
US average: 13.3%
Uninsured
3.3%
−1.7 ptssince 2013
from 5.0% in 2013
US average: 8.4%
Broadband at home
96.3%
+5.9 ptssince 2017
from 90.4% in 2017
US average: 91.0%
Computer in household
98.9%
+5.1 ptssince 2020
from 93.8% in 2020
US average: 95.5%
Same house as last year
91.0%
+3.8 ptssince 2020
from 87.2% in 2020
US average: 87.7%
English only at home
81.1%
−1.4 ptssince 2016
from 82.5% in 2016
US average: 77.7%
Spanish at home
7.9%
+2.8 ptssince 2016
from 5.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married35.7%(1,207)
Married53.4%(1,809)
Widowed1.8%(61)
Divorced9.1%(308)
Women 15+
Never married30.1%(1,064)
Married47%(1,660)
Widowed10.4%(369)
Divorced12.4%(439)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
3.3%
−1.7 ptssince 2013
from 5.0% in 2013
US average: 8.4%
Employer-based
65.3%
−1.1 ptssince 2020
from 66.4% in 2020
US average: 54.8%
Direct-purchase
19.9%
−1.3 ptssince 2020
from 21.2% in 2020
US average: 13.8%
Medicare
24.1%
−0.2 ptssince 2020
from 24.3% in 2020
US average: 18.4%
Medicaid
9.4%
+1.2 ptssince 2020
from 8.2% in 2020
US average: 20.9%
VA health care
0.2%
−0.3 ptssince 2020
from 0.5% in 2020
US average: 2.2%
Any private
82.0%
−2.8 ptssince 2020
from 84.8% in 2020
US average: 67.1%
Any public
30.2%
+0.2 ptssince 2020
from 30.0% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)10%(21)
US avg: 26.4%
Gulf War (1990s)5.7%(12)
US avg: 24.3%
Vietnam era30.6%(64)
US avg: 33.1%
Korean War18.7%(39)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 209 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time

Port Jefferson, decade by decade

Port Jefferson population, inflation-adjusted income and home value, education, and diversity by year
YearPopulationMedian household incomeMedian home valueBachelor's degree+Diversity score
19907,471$131,092$546,25641.3%19.1
20007,837$118,624$457,78253.4%26.2
20107,750$141,491$816,82159.9%34.5
20207,962$142,510$643,83560.6%46.2
20248,091$144,912$655,80067.7%46.3

Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.

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PORT JEFFERSON VS
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Frequently asked

How many people live in Port Jefferson, New York?

Port Jefferson, New York has about 8,091 residents according to the 2024 American Community Survey.

What is the median household income in Port Jefferson, New York?

The typical household in Port Jefferson, New York earns about $144,912 a year. Half of households make more than that, and half make less.

Is Port Jefferson, New York expensive?

In Port Jefferson, New York, the median home is worth about $655,800, and the typical rent is about $2,349 a month.

How educated are people in Port Jefferson, New York?

About 67.7% of adults age 25 and over in Port Jefferson, New York hold a bachelor's degree or higher.

What is the poverty rate in Port Jefferson, New York?

About 5.6% of people in Port Jefferson, New York live below the federal poverty line.

Has Port Jefferson, New York grown since 1990?

Yes, Port Jefferson, New York has grown since 1990. The population has added about 620 residents, a change of about 8 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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