Cullman is located in Cullman county Alabama with a geographic area of 21.6 square miles. The total population in Cullman is 16,072 with 46.9% male and 53.1% female. Children under age 5 represent 5.3% of the population, under age 18 equal 21.9% of the population and over age 65 is 20.5% of the population. The median household income is $52,301, per capita income is $27,991. There are a total of 6,632 housing units with 59.5% owner occupied. Education includes 24.1% of residents that are high school graduates and 28.3% with a bachelor's degree or higher. The average temperature in Cullman in the summer is 77 degrees, and in the winter 43 degrees.