Seneca is located in Oconee county South carolina with a geographic area of 8.2 square miles. The total population in Seneca is 8,424 with 46.5% male and 53.5% female. Children under age 5 represent 5.1% of the population, under age 18 equal 13.9% of the population and over age 65 is 24.4% of the population. The median household income is $42,150, per capita income is $28,515. There are a total of 3,906 housing units with 57.1% owner occupied. Education includes 26.0% of residents that are high school graduates and 27.6% with a bachelor's degree or higher. The average temperature in Seneca in the summer is 78 degrees, and in the winter 43 degrees.
