Kendall County is a county in the U.S. state of Illinois, within the Chicago metropolitan area. According to the 2020 census, it has a population of 131,869. Its county seat is Yorkville, and its most
Kendall County Courthouse
Terminal moraines, such as this one in central Kendall County, rise dramatically from the surrounding plain.
Grundy County is located in the U.S. state of Illinois. According to the 2020 census, it has a population of 52,533. Its county seat is Morris. Grundy County is part of the Chicago metropolitan area.