South Dakota

Grant County

7,544 residents24 permits TTM$73,818 median HHI10 ZIP codesUpdated April 28, 2026
Investor first look

Median home value

$179,400

ACS 5-Year

Cap rate proxy

4.5%

FMR × 0.65 ÷ Home Value

Rent-to-income

10.9%

HUD FMR ÷ ACS HHI

Net migration

IRS SOI

Permits (TTM)

24

Census BPS

Climate risk

18.9

FEMA NRI (0–100)

ZIP code breakdown10 ZIP codes

Numbers repeat across most ZIPs in this county

ZIP-level home-value data isn't published for rural areas. Federal sources (Census ACS, HUD non-metro FMR) are available at the county level only, so home-value, cap-rate, and rent-gap numbers use the county estimate for every ZIP in the county.

ZIPMedian home valueRent (FMR 2BR)Gross yieldCap rateRent gap
57216$255,485$9294.4%3.1%28.1%
57246$179,400county est.$9296.2%4.5%28.1%
57251$179,400county est.$9296.2%4.5%28.1%
57252$225,795$9294.9%3.5%28.1%
57256$179,400county est.$9296.2%4.5%28.1%

Ranked by composite score

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Demographics

Owner-occupied

81.6%

Census ACS

Vacancy rate

13.1%

Census ACS

Bachelor's degree +

25.5%

Census ACS

Rent burdened

30.0%

Census ACS (>30% income)

Median age

43.7

Census ACS

Data sources
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