Hutchinson island south is located in Saint Lucie County Florida with a geographic area of 4.3 square miles. The total population in Hutchinson island south is 5,025 with 50.0% male and 50.0% female. Children under age 5 represent 0.0% of the population, under age 18 equal 1.6% of the population and over age 65 is 67.7% of the population. The median household income is $50,761, per capita income is $48,641. There are a total of 2,948 housing units with 86.9% owner occupied. Education includes 29.1% of residents that are high school graduates and 37.1% with a bachelor's degree or higher. The average temperature in Hutchinson island south in the summer is 80 degrees, and in the winter 56 degrees.