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 2026 population of 5,185. Islip Terrace is currently declining at a rate of -0.23% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Islip Terrace is $155,313 with a poverty rate of 2.57%. The median age in Islip Terrace is 40.5 years: 39.9 years for males, and 41.3 years for females. For every 100 females there are 107.5 males.

5.2K
Total Population
4,071
Density (mi²)
-12 -0.23%
Growth

Islip Terrace Population

Islip Terrace Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265,185-12-0.23%
20255,197-13-0.25%

Median Age

Overall: 40.5 years
Female: 41.3 years
Male: 39.9 years

Islip Terrace Adults

There are 4,142 adults, (708 of whom are seniors) in Islip Terrace.

Sex Ratio

Female: 2,491 (48.2%)
Male: 2,677 (51.8%)

Demographics

The racial composition of Islip Terrace includes 79.62% White, 5.11% other race, and smaller percentages for Asian, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,11579.62%
Two or more races54110.47%
Other race2645.11%
Asian1392.69%
Black or African American1092.11%
Race
Population ↓
Percentage (of total)
Two or more races4909.48%
Other race2645.11%
White1863.6%
Black or African American771.49%
Race
Population ↓
Percentage (of total)
White3,92976.03%
Asian1392.69%
Two or more races510.99%
Black or African American320.62%

Islip Terrace Marital Status

Economics and Income Statistics

Islip Terrace 's average per capita income is $74,088. Household income levels show a median of $155,313. The poverty rate stands at 2.57%.

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$168,594-
Households$155,313$174,604
Families$154,400$162,171
Non Families$153,382$194,358

$74,088

Average Income

$155,313

Median Household Income

2.57%

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)