Greenville county is located in South carolina with a geographic area of 795.0 square miles. The total population in Greenville county is 516,126 with 48.5% male and 51.5% female. Children under age 5 represent 6.2% of the population, under age 18 equal 23.1% of the population and over age 65 is 15.8% of the population. The median household income is $62,422, per capita income is $34,430. There are a total of 198,015 housing units with 68.2% owner occupied. Education includes 21.3% of residents that are high school graduates and 38.7% with a bachelor's degree or higher. The average temperature in Greenville county in the summer is 75 degrees, and in the winter 41 degrees.