Market insights · Idaho
Elmore County, ID: growth, migration and housing
Elmore County has 29,465 residents, up 2.8% since 2020 (-0.4% in the last year). In 2022–2023, 1,134 households moved in and 1,260 moved out (-126 net), while a net $4.0M of income left. Median household income is $65,359, the median home $316,500 and median rent $1,243 a month.
In Idaho: 42nd of 44 counties for 5-year population growth · 39th of 43 counties for net in-migration (per resident) · 29th of 44 counties for median household income · 23rd of 44 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Elmore County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Ada County, ID | 227 | $12.4M |
| Canyon County, ID | 66 | $2.6M |
| Owyhee County, ID | 23 | $1.1M |
Where leavers went
Top counties by households leaving Elmore County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Ada County, ID | 302 | $16.0M |
| Canyon County, ID | 80 | $3.6M |
| Owyhee County, ID | 22 | $0.9M |
| Maricopa County, AZ | 21 | $1.3M |
| Twin Falls County, ID | 21 | $0.9M |
| Bexar County, TX | 21 | $1.1M |
BizyFi in Elmore 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.
← All Idaho counties · National rankings
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.