Yorkville is located in Illinois. Yorkville, Illinois has a population of 21,446. Yorkville is more family-centric than the surrounding county with 44% households with children. The county percentage for households with children is 42%.
The median household income in Yorkville, Illinois is $98,166. The median household income for the surrounding county is $96,623 compared to the national median of $66,222. The median age of people living in Yorkville is 37 years.
The average high temperature in July is 84.2 degrees, with an average low temperature in January of 10.5 degrees. The annual precipitation is 38.39.