United States › New York › Port Jefferson CITY · 2020 ACS
Port Jefferson New York · 7,962 residents · 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 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
Port Jefferson is home to 7,962 people in New York. This is an unusually credentialed place: 61% of adults have a four-year degree. Households here earn about 65% more than in New York as a whole. The typical home is worth $531,200, having more than doubled since 2000. The median age is 46.1, about 7 years above the US median. The median household earns $117,579, about 77% above the national median.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 46.1
US median: 38.8
More educated
61% hold a bachelor's degree
US average: 33%
Less affordable
home values up 41%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 40.4 in 2000
US average: 38.8
Population, 1990 – 2024
7K 8K 8K 8K 8K 1990 2000 2010 2020 2024 Port Jefferson Age distribution, 2020
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Section 02
Income & economy $117,579
+20%inflation adjusted, since 2000
from $65,119 in 2000
US average: $66,278
from $33,852 in 2000
US average: $35,364
Households earning $100K+
from 61.8% in 2009
US average: 43.9%
from 7.2% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 3.6%
Public administration 2.9%
Arts, entertainment, food 2.7%
Transportation & warehousing 0.6%
Agriculture, forestry, fishing 0.6%
Education & health services 0.5%
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$531,200
+41%inflation adjusted, since 2000
from $251,300 in 2000
US average: $265,253
$1,944
+41%inflation adjusted, since 2000
from $916 in 2000
US average: $1,124
from 72.0% in 2000
34.1% rent
from 2.52 people in 2009
US average: 2.61
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.
Section 04
Race & ethnicity 2000
White, non-Hispanic 88.7%(6,950)
Hispanic / Latino 5.2%(408)
2020
White, non-Hispanic 78.6%(6,258)
Hispanic / Latino 8.9%(712)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 28 more ancestry groups with data from 53.4% in 2000
US average: 32.9%
High school or higher
from 92.9% in 2000
US average: 88.5%
from 32.3% in 2000
US average: 12.7%
Section 06
Commute & transportation from 21.5 min in 2000
US average: 26.9
from 76.2% in 2009
US average: 75.1%
from 2.7% in 2009
US average: 8.4%
Section 07
Work & employment from 6.3% in 2011
US average: 5.4%
from 63.7% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 55.0% in 2009
US average: 39.3%
Section 08
People & community from 11.4% in 2009
US average: 13.5%
from 5.0% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
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: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
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, 2020
Gulf War (2001 or later) 6.4%(20)
Share of the 312 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 7,962 residents according to the 2020 American Community Survey.
What is the median household income in Port Jefferson, New York? The typical household in Port Jefferson, New York earns about $117,579 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 $531,200, and the typical rent is about $1,944 a month.
How educated are people in Port Jefferson, New York? About 60.6% 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 4.6% 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 491 residents, a change of about 7 percent over that period.
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