Kendall County, Illinois
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 populous municipality is Oswego.
Kendall County is part of the Chicago metropolitan area and was the fastest-growing county in the United States between 2000 and 2010.