Islandton is located in Colleton county South carolina with a geographic area of 2.8 square miles. The total population in Islandton is 49 with 36.7% male and 63.3% female. Children under age 5 represent 0.0% of the population, under age 18 equal 0.0% of the population and over age 65 is 42.9% of the population. The median household income is $60,417, per capita income is $27,037. There are a total of 30 housing units with 100.0% owner occupied. Education includes 60.0% of residents that are high school graduates and 0.0% with a bachelor's degree or higher. The average temperature in Islandton in the summer is 77 degrees, and in the winter 43 degrees.