Bay shore is located in Suffolk county New york with a geographic area of 5.7 square miles. The total population in Bay shore is 31,819 with 50.5% male and 49.5% female. Children under age 5 represent 7.9% of the population, under age 18 equal 28.6% of the population and over age 65 is 10.5% of the population. The median household income is $87,278, per capita income is $37,767. There are a total of 9,713 housing units with 65.6% owner occupied. Education includes 21.3% of residents that are high school graduates and 37.9% with a bachelor's degree or higher. The average temperature in Bay shore in the summer is 70 degrees, and in the winter 27 degrees.