Buying a home in Pennington County, South Dakota doesn't have to be difficult - Homes.com makes home buying a breeze. With 394 homes for sale in Pennington County, South Dakota, you can search by price, bedrooms, neighborhood, and even by property type. Search Pennington County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Pennington County school data, neighborhood information, find Pennington County real estate agents, and research home values in Pennington County, SD. Homes.com has everything you need but the house keys.