Thomasville is located in Thomas county Georgia with a geographic area of 15.0 square miles. The total population in Thomasville is 18,530 with 45.5% male and 54.5% female. Children under age 5 represent 8.2% of the population, under age 18 equal 25.1% of the population and over age 65 is 17.4% of the population. The median household income is $38,040, per capita income is $25,218. There are a total of 7,574 housing units with 46.6% owner occupied. Education includes 28.0% of residents that are high school graduates and 23.0% with a bachelor's degree or higher. The average temperature in Thomasville in the summer is 80 degrees, and in the winter 42 degrees.