Buying a home in Winnebago County, Illinois doesn't have to be difficult - Homes.com makes home buying a breeze. With 2,048 homes for sale in Winnebago County, Illinois, you can search by price, bedrooms, neighborhood, and even by property type. Search Winnebago County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Winnebago County school data, neighborhood information, find Winnebago County real estate agents, and research home values in Winnebago County, IL. Homes.com has everything you need but the house keys.