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William Floyd Union Free School District, New York

William Floyd Union Free School District is a unified school district in Suffolk County, New York, for grades Pre-K to 12. About 51,815 people live in it (2020–2024 estimate). It covers 17 sq mi (44 km²) of land.

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William Floyd Union Free School District in New York
South Country Central School DistrictCenter Moriches Union Free School District
William Floyd Union Free School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
51,815 ± 2,814
Grades
Pre-K to 12
Type
Unified school district
County
Suffolk County
Land area
17 sq mi (44 km²)
Median household income
$101,188 ± $9,266
Median home value
$396,300 ± $10,947
Water area
13.9 sq mi (36 km²)
State
New York
Census code (GEOID)
3618690
Coordinates (central point)
40.757772, -72.843198
Check a point in the school district finder

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 William Floyd Union Free School District, largest first

  1. Shirley (CDP)28,375 people
  2. Mastic Beach (CDP)16,735 people
  3. Mastic (CDP)15,708 people
  4. Moriches (CDP)2,308 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. Center Moriches Union Free School District2.5 mi east
  2. South Country Central School District4.7 mi west
  3. Eastport-South Manor Central School District7.8 mi north
  4. Longwood Central School District9.4 mi northwest
  5. Fire Island Union Free School District21 mi southwest

These share a boundary with William Floyd 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 William Floyd 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.