Market insights · Idaho
Bannock County, ID: growth, migration and housing
Bannock County has 91,591 residents, up 4.9% since 2020 (+0.7% in the last year). In 2022–2023, 2,141 households moved in and 2,173 moved out (-32 net), bringing in a net $0.2M of income. Median household income is $66,499, the median home $300,700 and median rent $960 a month.
In Idaho: 35th of 44 counties for 5-year population growth · 29th of 43 counties for net in-migration (per resident) · 26th of 44 counties for median household income · 27th of 44 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Bannock County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Bingham County, ID | 198 | $8.3M |
| Bonneville County, ID | 161 | $6.7M |
| Ada County, ID | 94 | $4.7M |
| Power County, ID | 82 | $3.6M |
| Salt Lake County, UT | 77 | $5.1M |
| Canyon County, ID | 55 | $2.4M |
| Madison County, ID | 54 | $2.2M |
| Twin Falls County, ID | 54 | $2.1M |
Where leavers went
Top counties by households leaving Bannock County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Bingham County, ID | 180 | $9.3M |
| Ada County, ID | 171 | $9.0M |
| Bonneville County, ID | 165 | $8.2M |
| Power County, ID | 79 | $4.1M |
| Salt Lake County, UT | 71 | $3.2M |
| Cache County, UT | 61 | $2.2M |
| Utah County, UT | 61 | $3.2M |
| Twin Falls County, ID | 58 | $2.9M |
BizyFi in Bannock 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.