Islip Terrace Flag

Islip Terrace

County:
Suffolk County
County Seat:
No
Area (mi²):
1.274
State:
New York

Islip Terrace is a CDP located in Suffolk County, New York. Islip Terrace has a 2025 population of 5,300. Islip Terrace is currently declining at a rate of -0.11% annually but its population has increased by 1.07% since the most recent census, which recorded a population of 5,244 in 2020.

The average household income in Islip Terrace is $159,113 with a poverty rate of 3.39%.The median age in Islip Terrace is 41.9 years: 39.9 years for males, and 43.2 years for females.

5.3K
Total Population
4,162
Density (mi²)
-6 -0.11%
Growth

Islip Terrace Population

Islip Terrace Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Islip Terrace includes 82.5% White, 4.58% other race, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,30982.5%
Two or more races55210.57%
Other race2394.58%
Black or African American961.84%
Asian270.52%

Islip Terrace Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Islip Terrace's average per capita income is $68,609. Household income levels show a median of $155,741. The poverty rate stands at 3.39%.

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$177,697-
Non Families$172,685$175,457
Households$155,741$159,113
Families$149,792$149,459

$68,609

Average Income

$155,741

Median Household Income

3.39%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)