Hartselle is located in Morgan county Alabama with a geographic area of 16.6 square miles. The total population in Hartselle is 14,421 with 48.0% male and 52.0% female. Children under age 5 represent 5.6% of the population, under age 18 equal 22.8% of the population and over age 65 is 16.3% of the population. The median household income is $56,323, per capita income is $28,731. There are a total of 5,453 housing units with 72.0% owner occupied. Education includes 32.1% of residents that are high school graduates and 22.0% with a bachelor's degree or higher. The average temperature in Hartselle in the summer is 77 degrees, and in the winter 43 degrees.