Calera is located in Shelby county Alabama with a geographic area of 24.2 square miles. The total population in Calera is 14,327 with 46.7% male and 53.3% female. Children under age 5 represent 9.3% of the population, under age 18 equal 28.6% of the population and over age 65 is 8.9% of the population. The median household income is $68,171, per capita income is $29,547. There are a total of 5,257 housing units with 81.4% owner occupied. Education includes 21.1% of residents that are high school graduates and 35.3% with a bachelor's degree or higher. The average temperature in Calera in the summer is 77 degrees, and in the winter 43 degrees.