Chamblee is located in Dekalb county Georgia with a geographic area of 7.7 square miles. The total population in Chamblee is 29,874 with 52.6% male and 47.4% female. Children under age 5 represent 7.6% of the population, under age 18 equal 23.9% of the population and over age 65 is 9.0% of the population. The median household income is $66,607, per capita income is $38,920. There are a total of 11,710 housing units with 38.0% owner occupied. Education includes 14.3% of residents that are high school graduates and 53.6% with a bachelor's degree or higher. The average temperature in Chamblee in the summer is 76 degrees, and in the winter 42 degrees.