Babylon is located in Suffolk county New york with a geographic area of 2.4 square miles. The total population in Babylon is 12,011 with 48.6% male and 51.4% female. Children under age 5 represent 5.1% of the population, under age 18 equal 18.0% of the population and over age 65 is 17.6% of the population. The median household income is $128,500, per capita income is $59,094. There are a total of 4,626 housing units with 81.0% owner occupied. Education includes 16.2% of residents that are high school graduates and 55.4% with a bachelor's degree or higher. The average temperature in Babylon in the summer is 70 degrees, and in the winter 27 degrees.