Shelbyville is located in Shelby county Kentucky with a geographic area of 8.8 square miles. The total population in Shelbyville is 16,244 with 47.5% male and 52.5% female. Children under age 5 represent 7.2% of the population, under age 18 equal 22.3% of the population and over age 65 is 13.7% of the population. The median household income is $65,986, per capita income is $31,327. There are a total of 6,029 housing units with 54.1% owner occupied. Education includes 25.1% of residents that are high school graduates and 29.9% with a bachelor's degree or higher. The average temperature in Shelbyville in the summer is 73 degrees, and in the winter 36 degrees.