what county is lockport illinois located in
Lockport, IL. Lockport is a city in Will County, Illinois, United States, that incorporated in 1853. Lockport is located in northeastern Illinois, 30 miles southwest of Chicago, and north of Joliet, at locks connecting Chicago Sanitary and Ship Canal with the Des Plaines River via the Lockport Powerhouse. Lockport was the headquarters of the operationally defunct Illinois and Michigan Canal.