Market insights · Idaho
Lemhi County, ID: growth, migration and housing
Lemhi County has 8,474 residents, up 6.5% since 2020 (+0.8% in the last year). In 2022–2023, 205 households moved in and 199 moved out (+6 net), bringing in a net $7.5M of income. Median household income is $53,202, the median home $326,100 and median rent $754 a month.
In Idaho: 27th of 44 counties for 5-year population growth · 22nd of 43 counties for net in-migration (per resident) · 42nd of 44 counties for median household income · 22nd of 44 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Lemhi County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Lemhi County (it suppresses flows of fewer than 20 households).
Where leavers went
Top counties by households leaving Lemhi County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Lemhi County (it suppresses flows of fewer than 20 households).
BizyFi in Lemhi 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 Idaho 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.