Market insights · Montana
Cascade County, MT: growth, migration and housing
Cascade County has 85,029 residents, up 0.7% since 2020 (+0.4% in the last year). In 2022–2023, 2,439 households moved in and 2,444 moved out (-5 net), bringing in a net $3.3M of income. Median household income is $67,690, the median home $265,300 and median rent $939 a month.
In Montana: 36th of 56 counties for 5-year population growth · 30th of 46 counties for net in-migration (per resident) · 25th of 56 counties for median household income · 21st of 56 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Cascade County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Missoula County, MT | 109 | $6.3M |
| Lewis and Clark County, MT | 107 | $5.8M |
| Gallatin County, MT | 100 | $5.3M |
| Yellowstone County, MT | 69 | $2.9M |
| Teton County, MT | 54 | $2.9M |
| Hill County, MT | 46 | $2.5M |
| Maricopa County, AZ | 42 | $2.6M |
| Flathead County, MT | 42 | $2.2M |
Where leavers went
Top counties by households leaving Cascade County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Missoula County, MT | 93 | $6.0M |
| Lewis and Clark County, MT | 85 | $4.9M |
| Yellowstone County, MT | 85 | $4.7M |
| Gallatin County, MT | 77 | $4.0M |
| Flathead County, MT | 46 | $2.3M |
| Teton County, MT | 45 | $2.4M |
| Maricopa County, AZ | 44 | $2.4M |
| Bexar County, TX | 40 | $2.1M |
BizyFi in Cascade 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.