Market insights · Montana
Lake County, MT: growth, migration and housing
Lake County has 33,392 residents, up 6.9% since 2020 (+0.0% in the last year). In 2022–2023, 915 households moved in and 731 moved out (+184 net), bringing in a net $29.4M of income. Median household income is $63,360, the median home $421,800 and median rent $901 a month.
In Montana: 16th of 56 counties for 5-year population growth · 10th of 46 counties for net in-migration (per resident) · 32nd of 56 counties for median household income · 9th of 56 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Lake County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Missoula County, MT | 152 | $10.5M |
| Flathead County, MT | 118 | $10.2M |
| Gallatin County, MT | 23 | $1.6M |
| Yellowstone County, MT | 23 | $1.5M |
| Sanders County, MT | 21 | $0.8M |
Where leavers went
Top counties by households leaving Lake County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Flathead County, MT | 125 | $8.4M |
| Missoula County, MT | 125 | $6.1M |
| Sanders County, MT | 22 | $1.4M |
BizyFi in Lake County
Fewer than 3 companies in the BizyFi directory are based here. 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.