Market insights · Tennessee
Grundy County, TN: growth, migration and housing
Grundy County has 14,116 residents, up 4.3% since 2020 (-0.0% in the last year). In 2022–2023, 344 households moved in and 270 moved out (+74 net), bringing in a net $13.4M of income. Median household income is $47,593, the median home $154,000 and median rent $636 a month.
In Tennessee: 59th of 95 counties for 5-year population growth · 47th of 95 counties for net in-migration (per resident) · 89th of 95 counties for median household income · 81st of 95 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Grundy County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Marion County, TN | 56 | $2.7M |
| Franklin County, TN | 39 | $1.8M |
| Rutherford County, TN | 25 | $2.3M |
| Coffee County, TN | 22 | $1.6M |
| Warren County, TN | 21 | $0.6M |
| Hamilton County, TN | 20 | $1.6M |
Where leavers went
Top counties by households leaving Grundy County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Marion County, TN | 47 | $1.6M |
| Franklin County, TN | 45 | $2.1M |
| Coffee County, TN | 32 | $1.3M |
BizyFi in Grundy 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.