11590, Westbury, NY

Westbury is a town in Nassau County, New York, United States. The population was 10,874 at the 2010 census. It is part of the New York–Newark–Jersey City, NY–NJ–PA Metropolitan Statistical Area.

Westbury is located at 40°5′N 73°24′W (40.0917°N 73.4667°W). According to the United States Census Bureau, the town has a total area of , all land.

As of the census of 2000, there were 10,719 people, 4,921 households, and 3,099 families residing in the town. The population density was 1,746.1 people per square mile (669.2/km²). There were 5,032 housing units at an average density of 811.3 per square mile (313.5/km²). The racial makeup of the town was 97.68% White