South Dakota
Brown County
ZIP 57481
38,079 residents169 permits TTM$70,239 median HHI14 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$212,900
ACS 5-Year
Cap rate proxy
4.5%
FMR × 0.65 ÷ Home Value
Rent-to-income
13.6%
HUD FMR ÷ ACS HHI
Net migration
+0.32%
IRS SOI
Permits (TTM)
169
Census BPS
Climate risk
73.5
FEMA NRI (0–100)
ZIP 57481
Median home value
—
Gross yield
—
Cap rate
4.5%
Rent gap
—
Affordability
P/I: 3.0R/I: —
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown14 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate | Rent gap |
|---|---|---|---|---|---|
| 57426 | — | — | — | 4.5% | — |
| 57427 | — | — | — | 4.5% | — |
| 57432 | — | — | — | 4.5% | — |
| 57433 | — | — | — | 4.5% | — |
| 57439 | — | — | — | 4.5% | — |
Ranked by composite score
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Demographics
Owner-occupied
65.7%
Census ACS
Vacancy rate
9.1%
Census ACS
Bachelor's degree +
33.2%
Census ACS
Rent burdened
37.6%
Census ACS (>30% income)
Median age
37.8
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