Demographics & People — Gallia County, Ohio
Population & Households
| Population (official) | 29,276 |
|---|---|
| Median Age | 40.20 |
| Veterans | 1,394 |
| Housing Units | 13,462 |
| Uninsured | 1,000 |
Migration
| Inflow | 24,283 |
|---|---|
| Outflow | 24,481 |
| Net | -198 |
| 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 2026-04-13T15:43:29.799994+00:00; aggregated 2026-04-13T16:08:24.908602+00:00.