Port jefferson is located in Suffolk county New york with a geographic area of 3.1 square miles. The total population in Port jefferson is 8,016 with 49.8% male and 50.2% female. Children under age 5 represent 4.2% of the population, under age 18 equal 19.9% of the population and over age 65 is 23.9% of the population. The median household income is $117,579, per capita income is $55,877. There are a total of 3,121 housing units with 72.8% owner occupied. Education includes 11.0% of residents that are high school graduates and 66.5% with a bachelor's degree or higher. The average temperature in Port jefferson in the summer is 70 degrees, and in the winter 27 degrees.
