Demographics & People — Sully County, South Dakota
Population & Households
| Population (official) | 1,318 |
|---|---|
| Median Age | 52.70 |
| Veterans | 62 |
| Housing Units | 889 |
| Uninsured | 10 |
Migration
| Inflow | 1,377 |
|---|---|
| Outflow | 1,353 |
| Net | 24 |
| 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 2026-04-13T15:43:30.499392+00:00; aggregated 2026-04-13T16:08:25.599700+00:00.