Bellport is located in Suffolk county New york with a geographic area of 1.5 square miles. The total population in Bellport is 1,899 with 51.5% male and 48.5% female. Children under age 5 represent 2.9% of the population, under age 18 equal 12.6% of the population and over age 65 is 32.5% of the population. The median household income is $123,958, per capita income is $80,789. There are a total of 871 housing units with 89.1% owner occupied. Education includes 8.2% of residents that are high school graduates and 65.8% with a bachelor's degree or higher. The average temperature in Bellport in the summer is 70 degrees, and in the winter 27 degrees.