South huntington is located in Suffolk county New york with a geographic area of 3.4 square miles. The total population in South huntington is 10,186 with 46.8% male and 53.2% female. Children under age 5 represent 5.2% of the population, under age 18 equal 20.8% of the population and over age 65 is 16.9% of the population. The median household income is $119,477, per capita income is $49,807. There are a total of 3,457 housing units with 87.7% owner occupied. Education includes 20.6% of residents that are high school graduates and 51.1% with a bachelor's degree or higher. The average temperature in South huntington in the summer is 70 degrees, and in the winter 27 degrees.