Market insights · Iowa
Butler County, IA: growth, migration and housing
Butler County has 14,049 residents, down 2.0% since 2020 (-0.3% in the last year). In 2022–2023, 293 households moved in and 326 moved out (-33 net), bringing in a net $0.0M of income. Median household income is $73,715, the median home $165,400 and median rent $812 a month.
In Iowa: 71st of 99 counties for 5-year population growth · 58th of 99 counties for net in-migration (per resident) · 32nd of 99 counties for median household income · 44th of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Butler County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Black Hawk County, IA | 77 | $3.9M |
| Bremer County, IA | 46 | $3.9M |
Where leavers went
Top counties by households leaving Butler County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Black Hawk County, IA | 87 | $4.2M |
| Bremer County, IA | 50 | $2.8M |
| Grundy County, IA | 20 | $1.4M |
BizyFi in Butler 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.