Seaford Union Free School District, New York

Seaford Union Free School District is a unified school district in Nassau County, New York, for grades K–12. About 16,126 people live in it (2020–2024 estimate). It covers 4.73 sq mi (12.2 km²) of land.

New YorkBuffaloYonkers
Seaford Union Free School District in New York
Massapequa Union Free School DistrictWantagh Union Free School District
Seaford Union Free School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
16,126 ± 1,392
Grades
K–12
Type
Unified school district
County
Nassau County
Land area
4.73 sq mi (12.2 km²)
Median household income
$170,341 ± $23,167
Median home value
$656,700 ± $15,276
Water area
8.99 sq mi (23.3 km²)
State
New York
Census code (GEOID)
3626400
Coordinates (central point)
40.597157, -73.489494

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in Seaford Union Free School District, largest first

  1. Seaford (CDP)15,549 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Wantagh Union Free School District1.8 mi northwest
  2. Massapequa Union Free School District3.3 mi northeast
  3. Plainedge Union Free School District7.8 mi north
  4. Levittown Union Free School District8.2 mi north

These share a boundary with Seaford Union Free School District. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Seaford Union Free School District before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.