Hilton head island is located in Beaufort county South carolina with a geographic area of 41.4 square miles. The total population in Hilton head island is 40,000 with 49.4% male and 50.6% female. Children under age 5 represent 2.8% of the population, under age 18 equal 12.8% of the population and over age 65 is 36.8% of the population. The median household income is $86,171, per capita income is $60,988. There are a total of 17,910 housing units with 80.2% owner occupied. Education includes 14.9% of residents that are high school graduates and 61.0% with a bachelor's degree or higher. The average temperature in Hilton head island in the summer is 77 degrees, and in the winter 43 degrees.
