Setauket

County:: Suffolk County
County Seat:: No
Area (mi²):: 2.518
State:: New York

Setauket is a CDP located in Suffolk County, New York. Setauket has a 2025 population of 4,674. Setauket is currently growing at a rate of 7.15% annually and its population has increased by 22.55% since the most recent census, which recorded a population of 3,814 in 2020.

The average household income in Setauket is $238,246 with a poverty rate of 6.91%. The median age in Setauket is 43.1 years: 37.3 years for males, and 46.7 years for females.

Demographics

The racial composition of Setauket includes 84.11% White, 7.87% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,101	84.11%
Asian	290	7.87%
Two or more races	160	4.34%
Black or African American	77	2.09%
Other race	59	1.6%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Setauket Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Setauket's average per capita income is $97,410. Household income levels show a median of $202,339. The poverty rate stands at 6.91%.

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	$250,001	-
Families	$243,646	$268,465
Households	$202,339	$238,246
Non Families	$104,750	$123,035

$97,410

Average Income

$202,339

Median Household Income

6.91%

Poverty Rate