Buying a home in Gillespie, Illinois does not have to be difficult - Homes.com makes home buying a breeze. With 49 homes for sale in Gillespie, Illinois, you can search by price, bedrooms, neighborhood, and even by property type. Search Gillespie homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Gillespie school data, neighborhood information, find Gillespie real estate agents, and research home values in Gillespie, IL. Homes.com has everything you need but the house keys.