Market insights · Montana
Big Horn County, MT: growth, migration and housing
Big Horn County has 12,752 residents, down 2.5% since 2020 (-0.7% in the last year). In 2022–2023, 198 households moved in and 229 moved out (-31 net), while a net $1.5M of income left. Median household income is $58,750, the median home $143,400 and median rent $697 a month.
In Montana: 51st of 56 counties for 5-year population growth · 38th of 46 counties for net in-migration (per resident) · 39th of 56 counties for median household income · 53rd of 56 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Big Horn County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Yellowstone County, MT | 79 | $2.9M |
Where leavers went
Top counties by households leaving Big Horn County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Yellowstone County, MT | 93 | $4.3M |
BizyFi in Big Horn 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.
← All Montana counties · National rankings
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.