Demographics & People — Mercer County, Pennsylvania
Population & Households
| Population (official) | 110,600 |
|---|---|
| Median Age | 45 |
| Veterans | 7,780 |
| Housing Units | 50,916 |
| Uninsured | 1,472 |
Migration
| Inflow | 94,861 |
|---|---|
| Outflow | 95,461 |
| Net | -600 |
| 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 2026-04-13T15:43:30.281005+00:00; aggregated 2026-04-13T16:08:25.380934+00:00.