Central Islip

County:: Suffolk County
County Seat:: No
Area (mi²):: 7.155
State:: New York

Central Islip is a CDP located in Suffolk County, New York. Central Islip has a 2025 population of 37,036. Central Islip is currently growing at a rate of 0.47% annually and its population has increased by 10.26% since the most recent census, which recorded a population of 33,591 in 2020.

The average household income in Central Islip is $124,395 with a poverty rate of 9.33%. The median age in Central Islip is 33.9 years: 33.3 years for males, and 35.5 years for females.

Demographics

The racial composition of Central Islip includes 28.8% other race, 28.45% White, 19.16% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Other race

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Other race	10,873	28.8%
White	10,741	28.45%
Two or more races	7,966	21.1%
Black or African American	7,232	19.16%
Asian	704	1.86%
Native American	221	0.59%
Native Hawaiian or Pacific Islander	14	0.04%

Central Islip Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Central Islip's average per capita income is $46,949. Household income levels show a median of $110,166. The poverty rate stands at 9.33%.

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	$130,164	-
Families	$114,788	$130,786
Households	$110,166	$124,395
Non Families	$54,115	$80,431

$46,949

Average Income

$110,166

Median Household Income

9.33%

Poverty Rate