Buying a home in Dupage County, Illinois doesn't have to be difficult - Homes.com makes home buying a breeze. With 8,997 homes for sale in Dupage County, Illinois, you can search by price, bedrooms, neighborhood, and even by property type. Search Dupage County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Dupage County school data, neighborhood information, find Dupage County real estate agents, and research home values in Dupage County, IL. Homes.com has everything you need but the house keys.