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Upper Darby School District, Pennsylvania

Upper Darby School District is a unified school district in Delaware County, Pennsylvania, for grades K–12. About 93,785 people live in it (2020–2024 estimate). It covers 8.53 sq mi (22.1 km²) of land.

PittsburghAllentown
Upper Darby School District in Pennsylvania
Springfield School DistrictWilliam Penn School District
Upper Darby School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
93,785 ± 420
Grades
K–12
Type
Unified school district
County
Delaware County
Land area
8.53 sq mi (22.1 km²)
Median household income
$71,182 ± $4,042
Median home value
$216,900 ± $5,540
State
Pennsylvania
Census code (GEOID)
4224320
Coordinates (central point)
39.947746, -75.289295
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 Upper Darby School District, largest first

  1. Upper Darby Township85,486 people
  2. Drexel Hill (CDP)30,451 people
  3. Clifton Heights (borough)6,832 people
  4. Millbourne (borough)1,467 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. William Penn School District1.8 mi southeast
  2. Springfield School District2.8 mi southwest
  3. Haverford Township School District3.1 mi northwest
  4. Southeast Delco School District3.3 mi south
  5. Ridley School District5.2 mi southwest
  6. Philadelphia City School District9.3 mi northeast

These share a boundary with Upper Darby 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 Upper Darby 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.