South Dakota
Lyman County
3,717 residents6 permits TTM$61,169 median HHI0 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$156,500
ACS 5-Year
Cap rate proxy
4.6%
FMR × 0.65 ÷ Home Value
Rent-to-income
11.8%
HUD FMR ÷ ACS HHI
Net migration
—
IRS SOI
Permits (TTM)
6
Census BPS
Climate risk
26.5
FEMA NRI (0–100)
Demographics
Owner-occupied
72.2%
Census ACS
Vacancy rate
24.1%
Census ACS
Bachelor's degree +
25.3%
Census ACS
Rent burdened
18.2%
Census ACS (>30% income)
Median age
36.0
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 16, 2026