West babylon is located in Suffolk county New york with a geographic area of 8.5 square miles. The total population in West babylon is 42,316 with 49.9% male and 50.1% female. Children under age 5 represent 5.4% of the population, under age 18 equal 19.5% of the population and over age 65 is 16.4% of the population. The median household income is $104,940, per capita income is $40,253. There are a total of 13,437 housing units with 77.2% owner occupied. Education includes 31.6% of residents that are high school graduates and 29.2% with a bachelor's degree or higher. The average temperature in West babylon in the summer is 70 degrees, and in the winter 27 degrees.