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CITY · 1990 CENSUS

Port Jefferson

New York · 7,471 residents · 3.063 sq mi
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The short version

Port Jefferson is significantly wealthier than the US average, with a median household income of $54,620. Population has declined 5% since 2000. 41% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $227,600. Poverty is rare here, at 6.4% of residents. Households here earn about 66% more than the New York median.

At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 37.6
US median: 33.0
More educated
41% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

7,471
−5%vs 2000
vs 7,837 in 2000
1990 – 2025
37.6
−7%vs 2000
vs 40.4 in 2000
US average: 33.0
Population, 19902024
7K8K8K8K8K1990201020202024Port Jefferson
20248K
1990201020202024
Age distribution, 1990
Under 55%(374)
US avg: 7.3%
5 to 95.4%(401)
US avg: 7.3%
10 to 146.7%(500)
US avg: 6.9%
15 to 197.9%(589)
US avg: 7.1%
20 to 246.6%(493)
US avg: 7.5%
25 to 3413.8%(1,033)
US avg: 17.5%
35 to 4416.4%(1,222)
US avg: 15.1%
45 to 5414.4%(1,077)
US avg: 10.2%
55 to 649.8%(731)
US avg: 8.5%
65 to 746.3%(472)
US avg: 7.3%
75 to 845.8%(430)
US avg: 4%
85 and over2%(149)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$54,620
+11%inflation adjusted, since 2000
vs $65,119 in 2000
US average: $30,130
1990 – 2024
$23,805
−30%vs 2000
vs $33,852 in 2000
US average: $14,340
6.4%
−0.8 ptsvs 2000
vs 7.2% in 2000
US average: 13.2%
Section 03

Housing

$227,600
+19%inflation adjusted, since 2000
vs $251,300 in 2000
US average: $93,722
1990 – 2024
$772
+11%inflation adjusted, since 2000
vs $916 in 2000
US average: $450
66.0%
−6.0 ptsvs 2000
vs 72.0% in 2000
34.0% rent
RELATED:See current rent listings in Port Jefferson on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic88.7%(6,950)
Black1.6%(126)
Hispanic / Latino5.2%(408)
Asian3.3%(261)
Other0%
1990
White, non-Hispanic94.7%(7,074)
Black2.1%(155)
Hispanic / Latino3.2%(236)
Asian2.9%(214)
Other0.4%(28)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

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)
RANKED:Largest Irish population · Largest Italian population · Largest German population · Largest English population · Largest American population
Section 05

Education

41.3%
−12.1 ptsvs 2000
vs 53.4% in 2000
US average: 20.3%
High school or higher
85.7%
−7.2 ptsvs 2000
vs 92.9% in 2000
US average: 75.2%
25.1%
−7.2 ptsvs 2000
vs 32.3% in 2000
US average: 7.1%
Section 06

Commute & transportation

23.6 min
+10%vs 2000
vs 21.5 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
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
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Frequently asked

How many people live in Port Jefferson, New York?

Port Jefferson, New York has about 7,471 residents according to the 1990 Census.

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

The typical household in Port Jefferson, New York earns about $54,620 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 $227,600, and the typical rent is about $772 a month.

How educated are people in Port Jefferson, New York?

About 41.3% 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 6.4% of people in Port Jefferson, New York live below the federal poverty line.

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

How we source and harmonize this data →