Zionsville is located in Boone county Indiana with a geographic area of 67.2 square miles. The total population in Zionsville is 28,035 with 50.5% male and 49.5% female. Children under age 5 represent 5.9% of the population, under age 18 equal 28.0% of the population and over age 65 is 12.9% of the population. The median household income is $137,265, per capita income is $66,898. There are a total of 10,061 housing units with 84.6% owner occupied. Education includes 8.5% of residents that are high school graduates and 73.5% with a bachelor's degree or higher. The average temperature in Zionsville in the summer is 73 degrees, and in the winter 29 degrees.
