Old Westbury is located in New York. Old Westbury, New York has a population of 4,711. Old Westbury is less family-centric than the surrounding county with 34.92% of the households containing married families with children. The county average for households married with children is 36.68%.
The median household income in Old Westbury, New York is $163,958. The median household income for the surrounding county is $105,744 compared to the national median of $57,652. The median age of people living in Old Westbury is 24 years.
The average high temperature in July is 84.7 degrees, with an average low temperature in January of 26.2 degrees. The average rainfall is approximately 47 inches per year, with 19.2 inches of snow per year.