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 and multiracial populations.

Population by Race

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%

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