Market insights · Idaho
Gem County, ID: growth, migration and housing
Gem County has 21,773 residents, up 13.0% since 2020 (+1.5% in the last year). In 2022–2023, 733 households moved in and 595 moved out (+138 net), bringing in a net $20.2M of income. Median household income is $64,605, the median home $428,700 and median rent $1,038 a month.
In Idaho: 7th of 44 counties for 5-year population growth · 5th of 43 counties for net in-migration (per resident) · 30th of 44 counties for median household income · 8th of 44 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Gem County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Ada County, ID | 216 | $15.2M |
| Canyon County, ID | 130 | $7.5M |
| Payette County, ID | 32 | $1.9M |
Where leavers went
Top counties by households leaving Gem County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Ada County, ID | 181 | $11.1M |
| Canyon County, ID | 92 | $4.6M |
| Payette County, ID | 34 | $1.3M |
BizyFi in Gem 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.