Demographics & People — Marshall County, South Dakota
Population & Households
| Population (official) | 4,363 |
|---|---|
| Median Age | 43.70 |
| Veterans | 246 |
| Housing Units | 2,412 |
| Uninsured | 17 |
Migration
| Inflow | 3,758 |
|---|---|
| Outflow | 3,913 |
| Net | -155 |
| 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 2026-04-13T15:43:30.479783+00:00; aggregated 2026-04-13T16:08:25.581220+00:00.