South Dakota
Dewey County
ZIP 57630
5,230 residents8 permits TTM$57,928 median HHI7 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$75,400
ACS 5-Year
Cap rate proxy
11.4%
FMR × 0.65 ÷ Home Value
Rent-to-income
14.8%
HUD FMR ÷ ACS HHI
Net migration
—
IRS SOI
Permits (TTM)
8
Census BPS
Climate risk
78.7
FEMA NRI (0–100)
ZIP 57630
Median home value
$75,400
Gross yield
14.8%
Buy Box score
—
Section 8 gap
—
Affordability
P/I: 1.3R/I: —
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown7 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Buy Box score ↓ | Section 8 gap |
|---|---|---|---|---|---|
| 57601 | $75,400 | $929 | 14.8% | 1.0 | — |
| 57625 | $75,400 | $929 | 14.8% | 1.0 | — |
| 57630 | $75,400 | $929 | 14.8% | — | — |
| 57636 | $75,400 | $929 | 14.8% | — | — |
| 57652 | $75,400 | $929 | 14.8% | — | — |
| 57656 | $75,400 | $929 | 14.8% | — | — |
| 57661 | $75,400 | $929 | 14.8% | — | — |
Sort by any column. Click a ZIP for detail.
Demographics
Owner-occupied
61.5%
Census ACS
Vacancy rate
12.8%
Census ACS
Bachelor's degree +
17.3%
Census ACS
Rent burdened
23.0%
Census ACS (>30% income)
Median age
27.6
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 16, 2026