James island is located in Charleston county South carolina with a geographic area of 4.7 square miles. The total population in James island is 12,157 with 50.6% male and 49.4% female. Children under age 5 represent 4.2% of the population, under age 18 equal 19.3% of the population and over age 65 is 16.3% of the population. The median household income is $82,083, per capita income is $41,772. There are a total of 4,440 housing units with 84.9% owner occupied. Education includes 18.5% of residents that are high school graduates and 53.3% with a bachelor's degree or higher. The average temperature in James island in the summer is 77 degrees, and in the winter 43 degrees.
