Summerville is located in Dorchester county South carolina with a geographic area of 19.7 square miles. The total population in Summerville is 53,643 with 48.0% male and 52.0% female. Children under age 5 represent 7.0% of the population, under age 18 equal 24.2% of the population and over age 65 is 13.8% of the population. The median household income is $60,271, per capita income is $31,410. There are a total of 19,888 housing units with 64.5% owner occupied. Education includes 21.6% of residents that are high school graduates and 29.9% with a bachelor's degree or higher. The average temperature in Summerville in the summer is 77 degrees, and in the winter 43 degrees.
