Oceanside is located in Nassau county New york with a geographic area of 4.9 square miles. The total population in Oceanside is 29,850 with 49.8% male and 50.2% female. Children under age 5 represent 5.5% of the population, under age 18 equal 21.0% of the population and over age 65 is 20.8% of the population. The median household income is $116,619, per capita income is $51,627. There are a total of 10,607 housing units with 89.3% owner occupied. Education includes 25.6% of residents that are high school graduates and 51.0% with a bachelor's degree or higher. The average temperature in Oceanside in the summer is 70 degrees, and in the winter 27 degrees.
