Shelbyville is located in Bedford county Tennessee with a geographic area of 18.4 square miles. The total population in Shelbyville is 21,841 with 48.2% male and 51.8% female. Children under age 5 represent 8.0% of the population, under age 18 equal 29.7% of the population and over age 65 is 11.4% of the population. The median household income is $44,030, per capita income is $19,918. There are a total of 7,327 housing units with 49.2% owner occupied. Education includes 40.6% of residents that are high school graduates and 14.5% with a bachelor's degree or higher. The average temperature in Shelbyville in the summer is 76 degrees, and in the winter 38 degrees.
