- 4 bd
- 4 ba
- 5,000 sqft

The average Grant County, SD home value is $241,790, up 10.1% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $241,790
1-Year Value Change: +10.1%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Grant County, SD is $241,790 as of September 2026. This represents a 0.3% decrease compared to last month and a 10.2% increase year-over-year.
The median home value in Grant County, SD ($241,790) compares to South Dakota ($317,874) and the U.S. national median ($366,157).
The cities with the highest median home values in Grant County, SD include: Big Stone City ($250,937), Milbank ($236,956). These cities represent the most expensive areas within the county.