South Dakota
Dewey County
5,230 residents8 permits TTM$57,928 median HHI2 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 code breakdown2 ZIP codes
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