Seaford is located in Nassau county New york with a geographic area of 2.6 square miles. The total population in Seaford is 15,153 with 50.4% male and 49.6% female. Children under age 5 represent 5.3% of the population, under age 18 equal 22.0% of the population and over age 65 is 16.6% of the population. The median household income is $136,202, per capita income is $56,766. There are a total of 5,047 housing units with 93.7% owner occupied. Education includes 18.6% of residents that are high school graduates and 46.8% with a bachelor's degree or higher. The average temperature in Seaford in the summer is 70 degrees, and in the winter 27 degrees.
