Market insights · Iowa
Clinton County, IA: growth, migration and housing
Clinton County has 46,002 residents, down 0.9% since 2020 (+0.0% in the last year). In 2022–2023, 942 households moved in and 979 moved out (-37 net), while a net $3.4M of income left. Median household income is $66,981, the median home $160,600 and median rent $850 a month.
In Iowa: 49th of 99 counties for 5-year population growth · 35th of 99 counties for net in-migration (per resident) · 74th of 99 counties for median household income · 50th of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Clinton County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Scott County, IA | 185 | $10.9M |
| Whiteside County, IL | 91 | $4.0M |
| Jackson County, IA | 80 | $4.0M |
| Rock Island County, IL | 46 | $3.0M |
| Carroll County, IL | 42 | $1.4M |
| Cook County, IL | 27 | $0.8M |
| Linn County, IA | 25 | $0.8M |
| Cedar County, IA | 23 | $0.9M |
Where leavers went
Top counties by households leaving Clinton County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Scott County, IA | 176 | $11.3M |
| Jackson County, IA | 94 | $5.2M |
| Whiteside County, IL | 93 | $4.1M |
| Linn County, IA | 38 | $1.6M |
| Polk County, IA | 31 | $1.4M |
| Johnson County, IA | 30 | $1.1M |
| Rock Island County, IL | 28 | $1.0M |
| Carroll County, IL | 27 | $1.4M |
BizyFi in Clinton 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.