Nashville is located in Berrien county Georgia with a geographic area of 4.9 square miles. The total population in Nashville is 4,820 with 48.2% male and 51.8% female. Children under age 5 represent 8.4% of the population, under age 18 equal 23.4% of the population and over age 65 is 18.9% of the population. The median household income is $38,309, per capita income is $18,221. There are a total of 2,068 housing units with 44.6% owner occupied. Education includes 27.1% of residents that are high school graduates and 6.1% with a bachelor's degree or higher. The average temperature in Nashville in the summer is 78 degrees, and in the winter 42 degrees.