Atlanta is located in Cass county Texas with a geographic area of 12.5 square miles. The total population in Atlanta is 5,458 with 46.4% male and 53.6% female. Children under age 5 represent 4.9% of the population, under age 18 equal 21.6% of the population and over age 65 is 22.0% of the population. The median household income is $47,461, per capita income is $24,888. There are a total of 2,118 housing units with 69.7% owner occupied. Education includes 26.4% of residents that are high school graduates and 31.3% with a bachelor's degree or higher. The average temperature in Atlanta in the summer is 83 degrees, and in the winter 49 degrees.