Demographics & People — Seneca County, Ohio
Population & Households
| Population (official) | 55,062 |
|---|---|
| Median Age | 40.60 |
| Veterans | 3,140 |
| Housing Units | 23,960 |
| Uninsured | 386 |
Migration
| Inflow | 50,032 |
|---|---|
| Outflow | 49,194 |
| Net | 838 |
| 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 2026-04-13T15:43:29.900137+00:00; aggregated 2026-04-13T16:08:24.998258+00:00.