Stony brook is located in Suffolk county New york with a geographic area of 5.8 square miles. The total population in Stony brook is 11,785 with 52.4% male and 47.6% female. Children under age 5 represent 5.4% of the population, under age 18 equal 22.8% of the population and over age 65 is 25.2% of the population. The median household income is $122,470, per capita income is $61,308. There are a total of 4,372 housing units with 91.6% owner occupied. Education includes 13.0% of residents that are high school graduates and 67.2% with a bachelor's degree or higher. The average temperature in Stony brook in the summer is 70 degrees, and in the winter 27 degrees.
