Demographics & People — Stillwater County, Montana

Population & Households

Population (official)8,978
Median Age48
Veterans794
Housing Units4,657
Uninsured48

Migration

Inflow9,805
Outflow9,741
Net64
GrowingYes
Year2022-2023

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 2026-04-13T15:43:29.041097+00:00; aggregated 2026-04-13T16:08:24.204732+00:00.