Grovetown is located in Columbia county Georgia with a geographic area of 5.3 square miles. The total population in Grovetown is 14,777 with 53.5% male and 46.5% female. Children under age 5 represent 9.4% of the population, under age 18 equal 27.1% of the population and over age 65 is 12.4% of the population. The median household income is $57,769, per capita income is $21,753. There are a total of 4,139 housing units with 62.6% owner occupied. Education includes 15.3% of residents that are high school graduates and 32.7% with a bachelor's degree or higher. The average temperature in Grovetown in the summer is 78 degrees, and in the winter 42 degrees.