Tennessee
Johnson County
18,073 residents5 permits TTM$52,152 median HHI5 ZIP codesUpdated April 28, 2026
Investor first look
Median home value
$175,500
ACS 5-Year
Cap rate proxy
4.4%
FMR × 0.65 ÷ Home Value
Rent-to-income
14.7%
HUD FMR ÷ ACS HHI
Net migration
+0.28%
IRS SOI
Permits (TTM)
5
Census BPS
Climate risk
28.2
FEMA NRI (0–100)
ZIP code breakdown5 ZIP codes
Numbers repeat across most ZIPs in this county
ZIP-level home-value data isn't published for rural areas. Federal sources (Census ACS, HUD non-metro FMR) are available at the county level only, so home-value, cap-rate, and rent-gap numbers use the county estimate for every ZIP in the county.
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate ↓ | Rent gap |
|---|---|---|---|---|---|
| 37680 | $175,500county est. | $925 | 6.3% | 4.4% | 30.9% |
| 37688 | $175,500county est. | $925 | 6.3% | 4.4% | 30.9% |
| 37691 | $175,500county est. | $925 | 6.3% | 4.4% | 30.9% |
| 37683 | $229,990 | $925 | 4.8% | 3.2% | 30.9% |
| 37640 | $290,933 | $925 | 3.8% | 2.6% | 30.9% |
Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.
Demographics
Owner-occupied
78.6%
Census ACS
Vacancy rate
18.1%
Census ACS
Bachelor's degree +
15.7%
Census ACS
Rent burdened
28.5%
Census ACS (>30% income)
Median age
46.4
Census ACS
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 28, 2026