Westbury is located in Nassau county New york with a geographic area of 2.3 square miles. The total population in Westbury is 15,339 with 48.0% male and 52.0% female. Children under age 5 represent 5.5% of the population, under age 18 equal 18.9% of the population and over age 65 is 17.7% of the population. The median household income is $108,992, per capita income is $48,403. There are a total of 5,264 housing units with 76.8% owner occupied. Education includes 21.3% of residents that are high school graduates and 46.0% with a bachelor's degree or higher. The average temperature in Westbury in the summer is 70 degrees, and in the winter 27 degrees.
