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 Courthouse
Terminal moraines, such as this one in central Kendall County, rise dramatically from the surrounding plain.
Yorkville is a city within the Chicago Metropolitan Area and is the county seat of Kendall County, Illinois, United States. It is a southwest suburb/exurb of Chicago, Illinois. The population was 23,835 as of the 2022 census.
The Kendall County Courthouse is listed on the U.S. National Register of Historic Places.
The Chapel on the Green, in Yorkville, is the oldest church in Kendall County.