Demographics & People — Sanders County, Montana
Population & Households
| Population (official) | 12,615 |
|---|---|
| Median Age | 54.70 |
| Veterans | 1,537 |
| Housing Units | 6,813 |
| Uninsured | 380 |
Migration
| Inflow | 12,714 |
|---|---|
| Outflow | 11,710 |
| Net | 1,004 |
| 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 2026-04-13T15:43:29.038420+00:00; aggregated 2026-04-13T16:08:24.202593+00:00.