Market insights · Tennessee
Polk County, TN: growth, migration and housing
Polk County has 18,592 residents, up 5.9% since 2020 (+1.0% in the last year). In 2022–2023, 572 households moved in and 444 moved out (+128 net), bringing in a net $10.8M of income. Median household income is $62,522, the median home $169,900 and median rent $676 a month.
In Tennessee: 46th of 95 counties for 5-year population growth · 28th of 95 counties for net in-migration (per resident) · 36th of 95 counties for median household income · 65th of 95 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) |
|---|---|---|
| Bradley County, TN | 188 | $8.6M |
| Fannin County, GA | 40 | $1.7M |
| Hamilton County, TN | 37 | $3.1M |
| McMinn County, TN | 37 | $1.3M |
Where leavers went
Top counties by households leaving Polk County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Bradley County, TN | 141 | $5.9M |
| McMinn County, TN | 45 | $1.6M |
| Hamilton County, TN | 35 | $2.1M |
| Fannin County, GA | 31 | $1.1M |
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.