- 3 bd
- 3 ba
- 2,896 sqft

The average Custer County, SD home value is $492,902, down 1.0% 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: $492,902
1-Year Value Change: -1%
(Data through September 30, 2026)
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The median home value in Custer County, SD is $492,902 as of September 2026. This represents a 0.5% decrease compared to last month and a 1.0% decrease year-over-year.
The median home value in Custer County, SD ($492,902) compares to South Dakota ($317,874) and the U.S. national median ($366,157).
The cities with the highest median home values in Custer County, SD include: Keystone ($620,968), Hermosa ($517,528), Custer ($473,938). These cities represent the most expensive areas within the county.