Cost of living in Keystone, SD

Keystone is a Census town in Pennington County, SD. ACS 2024 5-year population is 336. Median gross rent is $546 (ACS 2024 5-year, this place). Median home value is $263,900. Median household income is $64,702. Insurance is the NAIC state average; food is a USDA plan — no town indexes.