Market insights · Iowa
Carroll County, IA: growth, migration and housing
Carroll County has 20,303 residents, down 2.0% since 2020 (-0.7% in the last year). In 2022–2023, 414 households moved in and 457 moved out (-43 net), while a net $4.6M of income left. Median household income is $72,930, the median home $176,000 and median rent $731 a month.
In Iowa: 73rd of 99 counties for 5-year population growth · 54th of 99 counties for net in-migration (per resident) · 38th of 99 counties for median household income · 35th of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Carroll County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Crawford County, IA | 47 | $1.9M |
| Sac County, IA | 27 | $1.2M |
| Polk County, IA | 25 | $1.7M |
| Calhoun County, IA | 22 | $1.0M |
Where leavers went
Top counties by households leaving Carroll County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Polk County, IA | 74 | $5.1M |
| Crawford County, IA | 36 | $1.6M |
| Calhoun County, IA | 22 | $1.0M |
| Greene County, IA | 21 | $1.0M |
| Dallas County, IA | 20 | $1.3M |
| Story County, IA | 20 | $0.6M |
BizyFi in Carroll 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.