Demographics & People — Westmoreland County, Pennsylvania
Population & Households
| Population (official) | 354,414 |
|---|---|
| Median Age | 47.20 |
| Veterans | 23,099 |
| Housing Units | 168,183 |
| Uninsured | 1,055 |
Migration
| Inflow | 326,647 |
|---|---|
| Outflow | 324,076 |
| Net | 2,571 |
| Growing | Yes |
| 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 2026-04-13T15:43:30.351801+00:00; aggregated 2026-04-13T16:08:25.451328+00:00.