Market insights · Tennessee
DeKalb County, TN: growth, migration and housing
DeKalb County has 21,873 residents, up 8.4% since 2020 (+0.9% in the last year). In 2022–2023, 708 households moved in and 565 moved out (+143 net), bringing in a net $14.4M of income. Median household income is $53,153, the median home $235,500 and median rent $839 a month.
In Tennessee: 20th of 95 counties for 5-year population growth · 32nd of 95 counties for net in-migration (per resident) · 68th of 95 counties for median household income · 32nd of 95 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to DeKalb County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Rutherford County, TN | 106 | $6.1M |
| Wilson County, TN | 103 | $5.1M |
| Warren County, TN | 55 | $2.1M |
| Smith County, TN | 44 | $1.9M |
| Davidson County, TN | 43 | $2.7M |
| Putnam County, TN | 42 | $2.4M |
| White County, TN | 26 | $0.9M |
Where leavers went
Top counties by households leaving DeKalb County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Putnam County, TN | 60 | $3.0M |
| Warren County, TN | 57 | $2.1M |
| Wilson County, TN | 47 | $2.4M |
| Rutherford County, TN | 43 | $1.2M |
| White County, TN | 35 | $2.0M |
| Davidson County, TN | 32 | $2.0M |
| Smith County, TN | 23 | $1.0M |
BizyFi in DeKalb 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.