Market insights · Iowa
Clarke County, IA: growth, migration and housing
Clarke County has 9,574 residents, down 1.6% since 2020 (-0.2% in the last year). In 2022–2023, 262 households moved in and 284 moved out (-22 net), bringing in a net $0.4M of income. Median household income is $71,641, the median home $161,100 and median rent $931 a month.
In Iowa: 66th of 99 counties for 5-year population growth · 56th of 99 counties for net in-migration (per resident) · 45th of 99 counties for median household income · 49th of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Clarke County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Polk County, IA | 54 | $2.8M |
| Decatur County, IA | 30 | $1.3M |
Where leavers went
Top counties by households leaving Clarke County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Polk County, IA | 53 | $1.7M |
| Decatur County, IA | 36 | $1.7M |
| Warren County, IA | 25 | $1.3M |
BizyFi in Clarke 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.