South Dakota
Mellette County
2,043 residents1 permits TTM$51,364 median HHI4 ZIP codesUpdated April 28, 2026
Investor first look
Median home value
$63,000
ACS 5-Year
Cap rate proxy
14.0%
FMR × 0.65 ÷ Home Value
Rent-to-income
17.2%
HUD FMR ÷ ACS HHI
Net migration
—
IRS SOI
Permits (TTM)
1
Census BPS
Climate risk
5.2
FEMA NRI (0–100)
ZIP code breakdown4 ZIP codes
Numbers repeat across 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 |
|---|---|---|---|---|---|
| 57521 | $63,000county est. | $948 | 18.1% | 14.0% | 22.3% |
| 57560 | $63,000county est. | $948 | 18.1% | 14.0% | 22.3% |
| 57579 | $63,000county est. | $948 | 18.1% | 14.0% | 22.3% |
| 57585 | $63,000county est. | $948 | 18.1% | 14.0% | 22.3% |
Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.
Demographics
Owner-occupied
59.9%
Census ACS
Vacancy rate
20.9%
Census ACS
Bachelor's degree +
16.3%
Census ACS
Rent burdened
17.4%
Census ACS (>30% income)
Median age
31.0
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