Buying a home in Day County, South Dakota doesn't have to be difficult - Homes.com makes home buying a breeze. With 25 homes for sale in Day County, South Dakota, you can search by price, bedrooms, neighborhood, and even by property type. Search Day County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Day County school data, neighborhood information, find Day County real estate agents, and research home values in Day County, SD. Homes.com has everything you need but the house keys.