Amagansett is located in Suffolk county New york with a geographic area of 6.6 square miles. The total population in Amagansett is 510 with 42.9% male and 57.1% female. Children under age 5 represent 5.1% of the population, under age 18 equal 6.5% of the population and over age 65 is 46.1% of the population. The median household income is $138,750, per capita income is $102,807. There are a total of 263 housing units with 94.3% owner occupied. Education includes 19.8% of residents that are high school graduates and 61.6% with a bachelor's degree or higher. The average temperature in Amagansett in the summer is 70 degrees, and in the winter 27 degrees.