Decatur is located in Dekalb county Georgia with a geographic area of 4.6 square miles. The total population in Decatur is 24,814 with 46.8% male and 53.2% female. Children under age 5 represent 7.1% of the population, under age 18 equal 32.1% of the population and over age 65 is 11.5% of the population. The median household income is $114,615, per capita income is $56,424. There are a total of 8,876 housing units with 66.9% owner occupied. Education includes 11.1% of residents that are high school graduates and 72.4% with a bachelor's degree or higher. The average temperature in Decatur in the summer is 77 degrees, and in the winter 42 degrees.
