where is kankakee
Kankakee County, Illinois. Kankakee County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 113,449. Its county seat is Kankakee. Kankakee County comprises the Kankakee, IL Metropolitan Statistical Area, which is included in the Chicago-Naperville, IL-IN-WI Combined Statistical Area.