Demographics & People — Marion County, Ohio
Population & Households
| Population (official) | 65,366 |
|---|---|
| Median Age | 40.70 |
| Veterans | 4,252 |
| Housing Units | 27,405 |
| Uninsured | 365 |
Migration
| Inflow | 53,526 |
|---|---|
| Outflow | 52,924 |
| Net | 602 |
| 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 2026-04-13T15:43:29.858085+00:00; aggregated 2026-04-13T16:08:24.962652+00:00.