Westbury is a city located in New York. With a 2020 population of 15,408, it is the 55th largest city in New York and the 2268th largest city in the United States. Westbury is currently growing at a rate of 0.18% annually and its population has increased by 1.73% since the most recent census, which recorded a population of 15,146 in 2010. Spanning over 2 miles, Westbury has a population density of 6,575 people per square mile.
The average household income in Westbury is $125,135 with a poverty rate of 7.03%. The median rental costs in recent years comes to $1,838 per month, and the median house value is $445,100. The median age in Westbury is 40 years, 38.1 years for males, and 42 years for females. For every 100 females there are 97.4 males.