Yorkville, Illinois

Yorkville (Official name: United City of Yorkville) is a city located in Kendall County, Illinois, United States. The population was 6,189 at the 2000 United States Census and had grown to 16,921 . It is the county seat of Kendall County. Yorkville is located in the center of Kendall County, the fastest-growing county in Illinois and is the fastest-growing county in the United States.