Market insights · Iowa
Winnebago County, IA: growth, migration and housing
Winnebago County has 10,251 residents, down 3.8% since 2020 (-1.0% in the last year). In 2022–2023, 276 households moved in and 320 moved out (-44 net), while a net $2.4M of income left. Median household income is $67,642, the median home $135,000 and median rent $717 a month.
In Iowa: 97th of 99 counties for 5-year population growth · 80th of 99 counties for net in-migration (per resident) · 67th of 99 counties for median household income · 77th of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Winnebago County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Cerro Gordo County, IA | 41 | $1.8M |
| Hancock County, IA | 39 | $1.8M |
Where leavers went
Top counties by households leaving Winnebago County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Hancock County, IA | 40 | $2.6M |
| Cerro Gordo County, IA | 34 | $1.3M |
BizyFi in Winnebago 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.