Market insights · Montana
Stillwater County, MT: growth, migration and housing
Stillwater County has 9,445 residents, up 5.0% since 2020 (+0.2% in the last year). In 2022–2023, 283 households moved in and 313 moved out (-30 net), bringing in a net $1.4M of income. Median household income is $84,732, the median home $405,800 and median rent $961 a month.
In Montana: 21st of 56 counties for 5-year population growth · 40th of 46 counties for net in-migration (per resident) · 3rd of 56 counties for median household income · 11th of 56 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Stillwater County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Yellowstone County, MT | 91 | $6.6M |
| Gallatin County, MT | 21 | $1.8M |
Where leavers went
Top counties by households leaving Stillwater County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Yellowstone County, MT | 111 | $7.8M |
BizyFi in Stillwater County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse Montana companies.
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.