Lithia springs is located in Douglas county Georgia with a geographic area of 13.5 square miles. The total population in Lithia springs is 17,545 with 51.0% male and 49.0% female. Children under age 5 represent 6.2% of the population, under age 18 equal 24.4% of the population and over age 65 is 9.0% of the population. The median household income is $46,981, per capita income is $26,149. There are a total of 6,892 housing units with 42.4% owner occupied. Education includes 28.1% of residents that are high school graduates and 26.6% with a bachelor's degree or higher. The average temperature in Lithia springs in the summer is 76 degrees, and in the winter 42 degrees.