Demographics & People — Dewey County, South Dakota
Population & Households
| Population (official) | 5,275 |
|---|---|
| Median Age | 27.10 |
| Veterans | 182 |
| Housing Units | 1,934 |
| Uninsured | 268 |
Migration
| Inflow | 4,929 |
|---|---|
| Outflow | 4,943 |
| Net | -14 |
| 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 2026-04-13T15:43:30.456617+00:00; aggregated 2026-04-13T16:08:25.559440+00:00.