Circleville is located in Pickaway county Ohio with a geographic area of 7.2 square miles. The total population in Circleville is 13,986 with 48.2% male and 51.8% female. Children under age 5 represent 6.7% of the population, under age 18 equal 20.0% of the population and over age 65 is 18.6% of the population. The median household income is $44,092, per capita income is $23,135. There are a total of 5,478 housing units with 54.2% owner occupied. Education includes 42.9% of residents that are high school graduates and 18.3% with a bachelor's degree or higher. The average temperature in Circleville in the summer is 72 degrees, and in the winter 32 degrees.