Central Islip Flag

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 2026 population of 38,513. Central Islip is currently growing at a rate of 0.66% 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 Central Islip is $113,707 with a poverty rate of 9.22%. The median age in Central Islip is 34.6 years: 33.4 years for males, and 36.1 years for females. For every 100 females there are 102.4 males.

38.5K
Total Population
5,383
Density (mi²)
254 0.66%
Growth

Central Islip Population

Central Islip Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202638,5132540.66%
202538,2592540.67%

Median Age

Overall: 34.6 years
Female: 36.1 years
Male: 33.4 years

Central Islip Adults

There are 28,383 adults, (4,409 of whom are seniors) in Central Islip.

Sex Ratio

Female: 18,958 (49.4%)
Male: 19,415 (50.6%)

Demographics

The racial composition of Central Islip includes 32.71% other race, 22.12% White, 18.28% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Other race12,55232.71%
Two or more races9,19223.95%
White8,49022.12%
Black or African American7,01618.28%
Asian6831.78%
Native American4241.1%
Native Hawaiian or Pacific Islander160.04%
Race
Population ↓
Percentage (of total)
Other race12,15631.68%
Two or more races8,08921.08%
White3,0267.89%
Black or African American5301.38%
Native American3901.02%
Asian70.02%
Race
Population ↓
Percentage (of total)
Black or African American6,48616.9%
White5,46414.24%
Two or more races1,1032.87%
Asian6761.76%
Other race3961.03%
Native American340.09%
Native Hawaiian or Pacific Islander160.04%

Central Islip Marital Status

Economics and Income Statistics

Central Islip 's average per capita income is $46,970. Household income levels show a median of $113,707. The poverty rate stands at 9.22%.

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$133,484-
Families$117,267$133,196
Households$113,707$130,740
Non Families$58,821$97,692

$46,970

Average Income

$113,707

Median Household Income

9.22%

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)