Buying a home in Columbia, Illinois does not have to be difficult - Homes.com makes home buying a breeze. With 260 homes for sale in Columbia, Illinois, you can search by price, bedrooms, neighborhood, and even by property type. Search Columbia homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Columbia school data, neighborhood information, find Columbia real estate agents, and research home values in Columbia, IL. Homes.com has everything you need but the house keys.