Manteno is a village in Kankakee County, Illinois, United States. It is part of the KankakeeBradley Metropolitan Statistical Area and the ChicagoNapervilleMichigan City, IL-IN-WI Combined Statistical Area. Manteno, Illinois is located approximately 50 miles (80km) south of Chicago's loop. There is a combination of industrial and agricultural employers in town. Farmers Elevator Company of Manteno stands as the tallest site in town, with the ability to house 2 million bushels of corn or soybeans at any one time.