Farmingdale is located in Nassau county New york with a geographic area of 1.1 square miles. The total population in Farmingdale is 8,869 with 49.6% male and 50.4% female. Children under age 5 represent 4.9% of the population, under age 18 equal 16.6% of the population and over age 65 is 18.3% of the population. The median household income is $102,632, per capita income is $59,789. There are a total of 3,720 housing units with 65.3% owner occupied. Education includes 26.2% of residents that are high school graduates and 45.9% with a bachelor's degree or higher. The average temperature in Farmingdale in the summer is 70 degrees, and in the winter 27 degrees.