Demographics & People — Lake County, South Dakota
Population & Households
| Population (official) | 11,207 |
|---|---|
| Median Age | 44.30 |
| Veterans | 616 |
| Housing Units | 5,714 |
| Uninsured | 27 |
Migration
| Inflow | 10,945 |
|---|---|
| Outflow | 10,778 |
| Net | 167 |
| 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 2026-04-13T15:43:30.474436+00:00; aggregated 2026-04-13T16:08:25.575495+00:00.