Municipality located in north-central Illinois at the intersection of Interstates 80 and 39. Current population is 9796 (2000 census) and mayor is Art Washkowiak. City was incorporated in 1852. Current industries include Air Products, Carus Chemical Co., Illinois Cement, Machinery Maintenance, Cyclops Welding, Precision Vision, Inman Electric, Miller Media, Quality Liquid Feed, JC Whitney