Manhasset is located in Nassau county New york with a geographic area of 2.4 square miles. The total population in Manhasset is 7,792 with 47.9% male and 52.1% female. Children under age 5 represent 4.0% of the population, under age 18 equal 22.9% of the population and over age 65 is 18.6% of the population. The median household income is $138,056, per capita income is $76,479. There are a total of 2,488 housing units with 77.3% owner occupied. Education includes 12.9% of residents that are high school graduates and 66.8% with a bachelor's degree or higher. The average temperature in Manhasset in the summer is 70 degrees, and in the winter 27 degrees.