Old Westbury Flag

Old Westbury

County:
Nassau County
County Seat:
No
Area (mi²):
8.572
State:
New York

Old Westbury is a village located in Nassau County, New York. Old Westbury has a 2026 population of 4,950. Old Westbury is currently growing at a rate of 0.45% annually and its population has increased by 15.3% since the most recent census, which recorded a population of 4,293 in 2020.

5K
Total Population
577
Density (mi²)
22 0.45%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)