Yorkville is located in Kendall county Illinois with a geographic area of 20.0 square miles. The total population in Yorkville is 19,386 with 51.1% male and 48.9% female. Children under age 5 represent 7.0% of the population, under age 18 equal 29.6% of the population and over age 65 is 7.2% of the population. The median household income is $101,245, per capita income is $35,449. There are a total of 6,316 housing units with 78.5% owner occupied. Education includes 15.8% of residents that are high school graduates and 38.0% with a bachelor's degree or higher. The average temperature in Yorkville in the summer is 70 degrees, and in the winter 27 degrees.
