Unified School District · NY
Sayville Union Free School District
Sayville Union Free School District is a unified school district in New York with a community population of 17,019. The median household income is $151,146 and the median age is 45.5.
17,019
Population
3038
People / sq mi
$151,146
Median Income
45.5
Median Age
Sayville Union Free School District covers 6 sq mi of land at 3038.0 people per square mile.
Race & Ethnicity
| White | 88.5% |
| Black or African American | 0.6% |
| Asian | 57.1% |
| Hispanic or Latino (any race) | 0.2% |
Economy & Income
$151,146
Median Household Income
$66,280
Per Capita Income
2.3%
Poverty Rate
1.1%
Unemployment
Housing
$628,600
Median Home Value
$2,466
Median Rent
77.5%
Homeownership
Education Attainment
95.8%
High School+
53.9%
Bachelor's+
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State rankings
Frequently Asked Questions
Sayville Union Free School District serves a community with a population of 17,019 according to the latest Census ACS 5-Year estimates. This unified school district is located in New York.
The median household income in Sayville Union Free School District is $151,146, with a per capita income of $66,280. The poverty rate is 2.3%.
Sayville Union Free School District is 88.5% White, 0.6% Black or African American, 57.1% Asian, and 0.2% Hispanic or Latino, per Census ACS data.
In Sayville Union Free School District, 95.8% of adults have a high school diploma or higher, and 53.9% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Sayville Union Free School District is $628,600, with a median rent of $2,466. The homeownership rate is 77.5%.
More from New York
Data for Sayville 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: 3625920).
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.