Buying a home in Effingham County, Illinois doesn't have to be difficult - Homes.com makes home buying a breeze. With 209 homes for sale in Effingham County, Illinois, you can search by price, bedrooms, neighborhood, and even by property type. Search Effingham County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Effingham County school data, neighborhood information, find Effingham County real estate agents, and research home values in Effingham County, IL. Homes.com has everything you need but the house keys.