Market insights · Iowa
Hardin County, IA: growth, migration and housing
Hardin County has 16,455 residents, down 2.2% since 2020 (-0.0% in the last year). In 2022–2023, 389 households moved in and 434 moved out (-45 net), while a net $0.5M of income left. Median household income is $65,069, the median home $122,500 and median rent $795 a month.
In Iowa: 76th of 99 counties for 5-year population growth · 63rd of 99 counties for net in-migration (per resident) · 77th of 99 counties for median household income · 85th of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Hardin County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Story County, IA | 30 | $1.7M |
| Polk County, IA | 28 | $1.3M |
| Hamilton County, IA | 24 | $1.5M |
| Franklin County, IA | 23 | $1.0M |
Where leavers went
Top counties by households leaving Hardin County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Story County, IA | 52 | $2.1M |
| Polk County, IA | 43 | $2.4M |
| Black Hawk County, IA | 30 | $1.3M |
| Franklin County, IA | 28 | $1.3M |
| Grundy County, IA | 25 | $1.4M |
| Marshall County, IA | 23 | $0.7M |
BizyFi in Hardin 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.