United States › New York › Port Jefferson CITY
Port Jefferson New York · 8,306 residents (2025 est.) · 3.06 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
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
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
Section 01
Population & growth from 7,837 in 2000
8,306 in 2025 (Census Bureau estimate)
2,642 / sq mi
+1%since 2009
from 2,626 / sq mi in 2009
US average: 281
from 40.4 in 2000
US average: 38.9
Population, 1990 – 2024
7K 8K 8K 8K 8K 1990 2000 2010 2020 2024 Port Jefferson Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $144,912
+22%inflation adjusted, since 2000
from $65,119 in 2000
US average: $82,259
from $33,852 in 2000
US average: $44,673
Households earning $100K+
from 61.8% in 2009
US average: 53.3%
from 7.2% in 2000
US average: 12.5%
from 0.424 in 2010
US average: 0.476
Workforce by industry, 2024
Transportation & warehousing 3.3%
Professional, scientific, technical 3.1%
Arts, entertainment, food 1.7%
Education & health services 0.9%
Agriculture, forestry, fishing 0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$655,800
+43%inflation adjusted, since 2000
from $251,300 in 2000
US average: $376,019
$2,349
+41%inflation adjusted, since 2000
from $916 in 2000
US average: $1,442
from 72.0% in 2000
28.0% rent
from 5.3% in 2009
US average: 10.0%
from 2.52 people in 2009
US average: 2.54
from 33.8% in 2009
US average: 22.9%
from 55.6% in 2009
US average: 47.4%
from 5.3 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 88.7%(6,950)
Hispanic / Latino 5.2%(408)
2024
White, non-Hispanic 78.3%(6,334)
Hispanic / Latino 10.5%(851)
from 34 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 2 more hispanic origin groups with data Ancestry
+ 29 more ancestry groups with data from 53.4% in 2000
US average: 35.6%
High school or higher
from 92.9% in 2000
US average: 89.6%
from 32.3% in 2000
US average: 14.0%
Section 06
Commute & transportation from 21.5 min in 2000
US average: 26.5
from 76.2% in 2009
US average: 68.9%
from 10.2% in 2009
US average: 8.5%
from 2.6% in 2009
US average: 3.2%
from 5.4% in 2009
US average: 15.0%
from 3.4% in 2009
US average: 2.4%
from 1.2% in 2009
US average: 0.4%
from 2.7% in 2009
US average: 8.3%
Section 07
Work & employment from 6.3% in 2011
US average: 5.2%
from 63.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 71.2% in 2020
US average: 74.6%
from 16.7% in 2009
US average: 13.1%
from 55.0% in 2009
US average: 42.5%
Section 08
People & community from 11.4% in 2009
US average: 14.1%
from 8.4% in 2009
US average: 6.2%
from 8.0% in 2012
US average: 13.3%
from 5.0% in 2013
US average: 8.4%
from 90.4% in 2017
US average: 91.0%
Computer in household
from 93.8% in 2020
US average: 95.5%
from 87.2% in 2020
US average: 87.7%
from 82.5% in 2016
US average: 77.7%
from 5.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 35.7%(1,207)
Women 15+
Never married 30.1%(1,064)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 5.0% in 2013
US average: 8.4%
from 66.4% in 2020
US average: 54.8%
Direct-purchase
from 21.2% in 2020
US average: 13.8%
from 24.3% in 2020
US average: 18.4%
from 8.2% in 2020
US average: 20.9%
VA health care
from 0.5% in 2020
US average: 2.2%
Any private
from 84.8% in 2020
US average: 67.1%
Any public
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)
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.
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Drill deeper
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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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