Old Westbury is located in New York. Old Westbury, New York has a population of 4,567. Old Westbury is less family-centric than the surrounding county with 30.77% of the households containing married families with children. The county average for households married with children is 35.86%.
The median household income in Old Westbury, New York is $250,001. The median household income for the surrounding county is $126,576 compared to the national median of $69,021. The median age of people living in Old Westbury is 27.4 years.
The average high temperature in July is 83.1 degrees, with an average low temperature in January of 25.3 degrees. The average rainfall is approximately 44.4 inches per year, with 22.6 inches of snow per year.