Market insights · Montana
Park County, MT: growth, migration and housing
Park County has 18,214 residents, up 5.7% since 2020 (+0.2% in the last year). In 2022–2023, 778 households moved in and 681 moved out (+97 net), bringing in a net $38.2M of income. Median household income is $70,047, the median home $467,500 and median rent $976 a month.
In Montana: 19th of 56 counties for 5-year population growth · 11th of 46 counties for net in-migration (per resident) · 21st of 56 counties for median household income · 6th of 56 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Park County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Gallatin County, MT | 184 | $37.9M |
| Yellowstone County, MT | 26 | $1.5M |
Where leavers went
Top counties by households leaving Park County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Gallatin County, MT | 155 | $11.5M |
| Missoula County, MT | 22 | $1.1M |
| Yellowstone County, MT | 22 | $1.6M |
BizyFi in Park County
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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.