William Penn School District, Pennsylvania
William Penn School District is a unified school district in Delaware County, Pennsylvania, for grades K–12. About 43,286 people live in it (2020–2024 estimate). It covers 4.68 sq mi (12.1 km²) of land.
- Population, 2020–2024 estimate
- 43,286 ± 523
- Grades
- K–12
- Type
- Unified school district
- County
- Delaware County
- Land area
- 4.68 sq mi (12.1 km²)
- Median household income
- $55,970 ± $4,901
- Median home value
- $190,200 ± $12,474
- State
- Pennsylvania
- Census code (GEOID)
- 4226390
- Coordinates (central point)
- 39.930579, -75.264979
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 Penn School District, largest first
- Yeadon (borough)12,181 people
- Lansdowne (borough)11,122 people
- Darby (borough)10,687 people
- Aldan (borough)4,259 people
- East Lansdowne (borough)2,712 people
- Colwyn (borough)2,325 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
- Upper Darby School District1.8 mi northwest
- Southeast Delco School District2.1 mi south
- Philadelphia City School District8.8 mi northeast
These share a boundary with William Penn 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 Penn 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.