Ingalls Park is an unincorporated community, census-designated place, and suburb of Joliet in Will County, Illinois, United States. The population was 3,314 at the 2010 census. The town consists of a small neighborhood and a few businesses between Joliet's Pilcher Park and Interstate 80. It is the nearest town to Chicagoland Speedway, which hosted the NASCAR Cup Series from 2001 to 2019.