Nassau Standard

81.2 percent of people 25 years or older had an associate's degree or higher in Old Westbury in 2020, according to data obtained from the U.S. Census Bureau.

This was 34.9 percent higher than the state average of 46.3 percent. In 2020 the total municipality population reached 4,618.

98.2 percent of the population had at least a high school diploma or the equivalent.

Degree	Number of people	Percentage of population
No degree	42	1.8
Regular high school diploma	260	10.9
GED or alternative credential	19	0.8
Some college, less than 1 year	54	2.3
Some college, 1 or more years, no degree	71	3
Associate's degree	98	4.1
Bachelor's degree	783	32.9
Master's degree	446	18.8
Professional school degree	533	22.4
Doctorate degree	72	3

*All data is for residents who were at least 25 years old in 2020.