Port Jefferson

County:: Suffolk County
County Seat:: No
Area (mi²):: 3.063
State:: New York

Port Jefferson is a village located in Suffolk County, New York. Port Jefferson has a 2025 population of 8,239. Port Jefferson is currently growing at a rate of 0.67% annually and its population has increased by 3.47% since the most recent census, which recorded a population of 7,963 in 2020.

The average household income in Port Jefferson is $186,337 with a poverty rate of 5.4%. The median age in Port Jefferson is 45.3 years: 45.2 years for males, and 45.5 years for females.

Demographics

The racial composition of Port Jefferson includes 82.11% White, 6.91% Asian, 3.65% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	6,593	82.11%
Asian	555	6.91%
Two or more races	523	6.51%
Other race	293	3.65%
Black or African American	50	0.62%
Native American	15	0.19%
Native Hawaiian or Pacific Islander	0	0%

Port Jefferson Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Port Jefferson's average per capita income is $80,174. Household income levels show a median of $143,125. The poverty rate stands at 5.4%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$219,725	-
Families	$199,052	$228,110
Households	$143,125	$186,337
Non Families	$78,784	$108,085

$80,174

Average Income

$143,125

Median Household Income

5.4%

Poverty Rate