Port washington is located in Nassau county New york with a geographic area of 4.2 square miles. The total population in Port washington is 16,232 with 48.7% male and 51.3% female. Children under age 5 represent 6.1% of the population, under age 18 equal 25.7% of the population and over age 65 is 21.6% of the population. The median household income is $149,650, per capita income is $77,137. There are a total of 5,687 housing units with 78.6% owner occupied. Education includes 8.6% of residents that are high school graduates and 72.8% with a bachelor's degree or higher. The average temperature in Port washington in the summer is 70 degrees, and in the winter 27 degrees.
