Market insights · Idaho
Idaho County, ID: growth, migration and housing
Idaho County has 17,874 residents, up 7.7% since 2020 (+0.0% in the last year). In 2022–2023, 480 households moved in and 408 moved out (+72 net), bringing in a net $10.4M of income. Median household income is $66,325, the median home $310,200 and median rent $789 a month.
In Idaho: 24th of 44 counties for 5-year population growth · 12th of 43 counties for net in-migration (per resident) · 27th of 44 counties for median household income · 25th of 44 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Idaho County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Lewis County, ID | 51 | $2.0M |
| Nez Perce County, ID | 33 | $1.4M |
| Ada County, ID | 28 | $1.3M |
| Canyon County, ID | 25 | $1.9M |
Where leavers went
Top counties by households leaving Idaho County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Nez Perce County, ID | 72 | $2.8M |
| Lewis County, ID | 35 | $1.6M |
| Ada County, ID | 28 | $1.0M |
BizyFi in Idaho 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.