Unified School District · NY
Central Islip Union Free School District
Central Islip Union Free School District is a unified school district in New York with a community population of 42,195. The median household income is $114,283 and the median age is 35.2.
42,195
Population
5163
People / sq mi
$114,283
Median Income
35.2
Median Age
Central Islip Union Free School District covers 8 sq mi of land at 5163.4 people per square mile.
Race & Ethnicity
| White | 22.4% |
| Black or African American | 0.0% |
| Asian | 16.6% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$114,283
Median Household Income
$34,559
Per Capita Income
6.0%
Poverty Rate
3.9%
Unemployment
Housing
$444,700
Median Home Value
$2,069
Median Rent
80.2%
Homeownership
Education Attainment
76.9%
High School+
20.5%
Bachelor's+
Other New York School Districts
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Congressional Districts in New York
State rankings
Frequently Asked Questions
Central Islip Union Free School District serves a community with a population of 42,195 according to the latest Census ACS 5-Year estimates. This unified school district is located in New York.
The median household income in Central Islip Union Free School District is $114,283, with a per capita income of $34,559. The poverty rate is 6.0%.
Central Islip Union Free School District is 22.4% White, 0.0% Black or African American, 16.6% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Central Islip Union Free School District, 76.9% of adults have a high school diploma or higher, and 20.5% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Central Islip Union Free School District is $444,700, with a median rent of $2,069. The homeownership rate is 80.2%.
More from New York
Data for Central Islip Union Free School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 3606870).
What distinguishes Central Islip Union Free School District is density: among the most densely settled of US school districts, around 5,163 people per square mile. With 42,195 residents, Central Islip Union Free School District is a school district in New York.
Households take in a median $114,283, comfortably above the US median of $78,538. About 6.0% of residents live below the federal poverty level, below the national 12.4%. A typical home is worth $444,700, with typical rent around $2,069.
20.5% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%.
That density explains much of the rest of the profile in Central Islip Union Free School District: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Source: U.S. Census Bureau ACS, 2026.