Market insights · Iowa
Clayton County, IA: growth, migration and housing
Clayton County has 16,845 residents, down 1.1% since 2020 (-0.8% in the last year). In 2022–2023, 389 households moved in and 435 moved out (-46 net), while a net $2.0M of income left. Median household income is $67,242, the median home $168,500 and median rent $790 a month.
In Iowa: 54th of 99 counties for 5-year population growth · 62nd of 99 counties for net in-migration (per resident) · 71st of 99 counties for median household income · 42nd of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Clayton County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Delaware County, IA | 32 | $1.7M |
| Fayette County, IA | 32 | $1.8M |
| Dubuque County, IA | 29 | $2.4M |
| Allamakee County, IA | 28 | $1.3M |
| Crawford County, WI | 25 | $1.1M |
| Linn County, IA | 21 | $1.1M |
Where leavers went
Top counties by households leaving Clayton County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Dubuque County, IA | 45 | $3.3M |
| Delaware County, IA | 41 | $2.3M |
| Allamakee County, IA | 34 | $1.8M |
| Fayette County, IA | 32 | $2.0M |
| Crawford County, WI | 27 | $1.1M |
| Linn County, IA | 22 | $1.0M |
BizyFi in Clayton County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse Iowa companies.
← All Iowa counties · National rankings
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.