Demographics & People — Chester County, Pennsylvania

Population & Households

Population (official)536,474
Median Age40.70
Veterans22,643
Housing Units208,672
Uninsured5,798

Migration

Inflow522,327
Outflow523,344
Net-1,017
GrowingNo
Year2022-2023

Source: Census ACS 5-Year 2022. Official numbers: Census ACS 5-Year 2022 — county-level query.

Data provenance: aggregated from town-level sources, county.json. Rebuilt 2026-04-13T15:43:30.192237+00:00; aggregated 2026-04-13T16:08:25.292480+00:00.