South Dakota
Sanborn County
2,370 residents17 permits TTM$69,870 median HHI3 ZIP codesUpdated April 28, 2026
Investor first look
Median home value
$138,500
ACS 5-Year
Cap rate proxy
6.2%
FMR × 0.65 ÷ Home Value
Rent-to-income
12.3%
HUD FMR ÷ ACS HHI
Net migration
—
IRS SOI
Permits (TTM)
17
Census BPS
Climate risk
3.6
FEMA NRI (0–100)
ZIP code breakdown3 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate ↓ | Rent gap |
|---|---|---|---|---|---|
| 57314 | — | — | — | 6.2% | — |
| 57359 | — | — | — | 6.2% | — |
| 57385 | — | — | — | 3.9% | — |
Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.
Demographics
Owner-occupied
77.6%
Census ACS
Vacancy rate
18.1%
Census ACS
Bachelor's degree +
19.2%
Census ACS
Rent burdened
28.4%
Census ACS (>30% income)
Median age
38.6
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