Ingalls Park is an unincorporated community, census-designated place (CDP), and suburb of Joliet in Will County, Illinois, United States. As of the 2020 census, Ingalls Park had a population of 3,460. 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.