Market insights · Iowa
Dallas County, IA: growth, migration and housing
Dallas County has 118,457 residents, up 17.8% since 2020 (+3.2% in the last year). In 2022–2023, 5,347 households moved in and 4,414 moved out (+933 net), bringing in a net $41.3M of income. Median household income is $102,379, the median home $355,600 and median rent $1,311 a month.
In Iowa: 1st of 99 counties for 5-year population growth · 1st of 99 counties for net in-migration (per resident) · 1st of 99 counties for median household income · 1st of 99 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Dallas County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Polk County, IA | 2,531 | $210.0M |
| Warren County, IA | 132 | $10.8M |
| Story County, IA | 116 | $5.1M |
| Johnson County, IA | 74 | $4.2M |
| Black Hawk County, IA | 70 | $5.0M |
| Madison County, IA | 70 | $4.5M |
| Maricopa County, AZ | 57 | $5.3M |
| Boone County, IA | 55 | $3.2M |
Where leavers went
Top counties by households leaving Dallas County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Polk County, IA | 2,125 | $180.5M |
| Warren County, IA | 165 | $16.1M |
| Story County, IA | 93 | $3.9M |
| Madison County, IA | 85 | $7.4M |
| Boone County, IA | 59 | $3.2M |
| Maricopa County, AZ | 57 | $6.2M |
| Cook County, IL | 55 | $3.7M |
| Guthrie County, IA | 54 | $5.0M |
BizyFi in Dallas 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.