Buying a home in Harrison County, Iowa doesn't have to be difficult - Homes.com makes home buying a breeze. With 208 homes for sale in Harrison County, Iowa, you can search by price, bedrooms, neighborhood, and even by property type. Search Harrison County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Harrison County school data, neighborhood information, find Harrison County real estate agents, and research home values in Harrison County, IA. Homes.com has everything you need but the house keys.