is joliet a city
Joliet (/ËdÊoÊli.Ét/ or /dÊoÊliËÉt/) is a city in the U.S. state of Illinois, 40 miles (64 km) southwest of Chicago. It is the county seat of Will County.At the 2010 census, the city was the fourth largest in Illinois, with a population of 147,433.he Illinois Youth Center Joliet (IYC Joliet), a juvenile correctional facility of the Illinois Department of Juvenile Justice, is in Joliet. It opened in April 1959. Stateville Correctional Center, one of five maximum security prison for the state of Illinois, is located in the neighboring city of Crest Hill.