Demographics & People — Day County, South Dakota
Population & Households
| Population (official) | 5,485 |
|---|---|
| Median Age | 47.20 |
| Veterans | 437 |
| Housing Units | 3,428 |
| Uninsured | 69 |
Migration
| Inflow | 5,094 |
|---|---|
| Outflow | 5,073 |
| Net | 21 |
| 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 2026-04-13T15:43:30.454363+00:00; aggregated 2026-04-13T16:08:25.557587+00:00.