Smyrna is located in Cobb county Georgia with a geographic area of 15.6 square miles. The total population in Smyrna is 56,333 with 47.0% male and 53.0% female. Children under age 5 represent 7.8% of the population, under age 18 equal 23.2% of the population and over age 65 is 9.3% of the population. The median household income is $77,713, per capita income is $48,063. There are a total of 24,760 housing units with 55.5% owner occupied. Education includes 9.8% of residents that are high school graduates and 59.3% with a bachelor's degree or higher. The average temperature in Smyrna in the summer is 76 degrees, and in the winter 42 degrees.
