Buying a home in Johnston City, Illinois does not have to be difficult - Homes.com makes home buying a breeze. With 45 homes for sale in Johnston City, Illinois, you can search by price, bedrooms, neighborhood, and even by property type. Search Johnston City homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Johnston City school data, neighborhood information, find Johnston City real estate agents, and research home values in Johnston City, IL. Homes.com has everything you need but the house keys.