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CITY · 2000 CENSUS

Port Jefferson

New York · 7,837 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 $65,119. Population has held roughly steady since 1990. 53% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value is $251,300. With a median age of 40.4, the population is older than the US median of 35.2. Households here earn about 50% more than the New York median.

At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 40.4
US median: 35.2
More educated
53% hold a bachelor's degree
US average: 24%
More affordable
home values down 16%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

7,837
+5%since 1990
from 7,471 in 1990
1990 – 2025
40.4
+8%since 1990
from 37.6 in 1990
US average: 35.2
Population, 19902024
7K8K8K8K8K1990201020202024Port Jefferson
20248K
1990201020202024
Age distribution, 2000
Under 55.2%(404)
US avg: 6.8%
5 to 95.4%(420)
US avg: 7.3%
10 to 145.6%(441)
US avg: 7.3%
15 to 195.8%(456)
US avg: 7.2%
20 to 245%(395)
US avg: 6.7%
25 to 3414%(1,101)
US avg: 14.2%
35 to 4415.3%(1,196)
US avg: 16%
45 to 5416.2%(1,267)
US avg: 13.4%
55 to 6412.8%(1,000)
US avg: 8.6%
65 to 747.3%(571)
US avg: 6.5%
75 to 844.4%(347)
US avg: 4.4%
85 and over3%(239)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$65,119
−10%inflation adjusted, since 1990
from $54,620 in 1990
US average: $42,589
1990 – 2024
$33,852
+42%since 1990
from $23,805 in 1990
US average: $21,522
7.2%
+0.8 ptssince 1990
from 6.4% in 1990
US average: 12.4%
Section 03

Housing

$251,300
−16%inflation adjusted, since 1990
from $227,600 in 1990
US average: $120,530
1990 – 2024
$916
−10%inflation adjusted, since 1990
from $772 in 1990
US average: $602
72.0%
+6.0 ptssince 1990
from 66.0% in 1990
28.0% rent
RELATED:See current rent listings in Port Jefferson on RentDataNow
Section 04

Race & ethnicity

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

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

53.4%
+12.1 ptssince 1990
from 41.3% in 1990
US average: 24.4%
High school or higher
92.9%
+7.2 ptssince 1990
from 85.7% in 1990
US average: 80.3%
32.3%
+7.2 ptssince 1990
from 25.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

21.5 min
−9%since 1990
from 23.6 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married31.7%(1,000)
Married57.7%(1,819)
Widowed2.2%(68)
Divorced8.5%(267)
Women 15+
Never married22.7%(759)
Married55.9%(1,871)
Widowed11.3%(378)
Divorced10.1%(337)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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Frequently asked

How many people live in Port Jefferson, New York?

Port Jefferson, New York has about 7,837 residents according to the 2000 Census.

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

The typical household in Port Jefferson, New York earns about $65,119 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 $251,300, and the typical rent is about $916 a month.

How educated are people in Port Jefferson, New York?

About 53.4% 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 7.2% 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 366 residents, a change of about 5 percent over that period.

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

How we source and harmonize this data →