Sunnyland is an unincorporated community and census-designated place (CDP) in Will County, Illinois, United States. As of the 2020 census, Sunnyland had a population of 822. It is in the northwest part of the county and is bordered to the west by Joliet and to the south and east by Crest Hill. It sits on the north side of U.S. Route 30, which leads southeast 5 miles (8 km) to downtown Joliet and northwest 1.5 miles (2.4 km) to Interstate 55.