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 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.

37K
Total Population
5,176
Density (mi²)
172 0.47%
Growth

Central Islip Population

Central Islip Population

Data after 2023 is projected based on recent change

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

Race
Population
Percentage (of total)
Other race10,87328.8%
White10,74128.45%
Two or more races7,96621.1%
Black or African American7,23219.16%
Asian7041.86%
Native American2210.59%
Native Hawaiian or Pacific Islander140.04%

Central Islip Marital Status

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

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

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)