Port chester is located in Westchester county New york with a geographic area of 2.3 square miles. The total population in Port chester is 29,210 with 52.0% male and 48.0% female. Children under age 5 represent 6.4% of the population, under age 18 equal 21.8% of the population and over age 65 is 13.9% of the population. The median household income is $81,586, per capita income is $34,766. There are a total of 9,236 housing units with 41.3% owner occupied. Education includes 24.5% of residents that are high school graduates and 34.0% with a bachelor's degree or higher. The average temperature in Port chester in the summer is 70 degrees, and in the winter 27 degrees.