Demographics & People — Allegheny County, Pennsylvania
Population & Households
| Population (official) | 1,245,310 |
|---|---|
| Median Age | 40.60 |
| Veterans | 63,133 |
| Housing Units | 602,734 |
| Uninsured | 5,735 |
Migration
| Inflow | 1,054,979 |
|---|---|
| Outflow | 1,076,032 |
| Net | -21,053 |
| 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 2026-04-13T15:43:30.127167+00:00; aggregated 2026-04-13T16:08:25.223199+00:00.