Demographics & People — Delaware County, Pennsylvania
Population & Households
| Population (official) | 575,312 |
|---|---|
| Median Age | 39 |
| Veterans | 23,326 |
| Housing Units | 229,039 |
| Uninsured | 3,870 |
Migration
| Inflow | 514,150 |
|---|---|
| Outflow | 520,643 |
| Net | -6,493 |
| Growing | No |
| Year | 2022-2023 |
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 2026-04-13T15:43:30.222343+00:00; aggregated 2026-04-13T16:08:25.321108+00:00.