Market insights · Missouri
Polk County, MO: growth, migration and housing
Polk County has 33,604 residents, up 6.3% since 2020 (+1.2% in the last year). In 2022–2023, 946 households moved in and 923 moved out (+23 net), bringing in a net $9.8M of income. Median household income is $59,647, the median home $205,800 and median rent $814 a month.
In Missouri: 14th of 115 counties for 5-year population growth · 55th of 115 counties for net in-migration (per resident) · 59th of 115 counties for median household income · 28th of 115 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Polk County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Greene County, MO | 281 | $12.8M |
| Dallas County, MO | 48 | $2.0M |
| Hickory County, MO | 47 | $2.2M |
| Christian County, MO | 45 | $2.5M |
| Cedar County, MO | 41 | $1.9M |
Where leavers went
Top counties by households leaving Polk County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Greene County, MO | 291 | $12.2M |
| Dallas County, MO | 49 | $2.5M |
| Hickory County, MO | 42 | $1.2M |
| Cedar County, MO | 41 | $1.9M |
| Christian County, MO | 41 | $2.2M |
| Jackson County, MO | 22 | $0.8M |
BizyFi in Polk 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.