11568   Zip Code Old Westbury Nassau NY United States

City Old Westbury
County Nassau
State New York
Latitude 40.78659
Longitude -73.59719
Population 4,144
Density 478.24 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $250,001
Median individual: $49,235

Race

Mode: 75.4% White

Gender

 52.4% female 

Rent

  $3501 / month  

Median house value: $1,994,749.0

Age

Median: 29.2 years old

Education

With at least college degree: 78.8%
With STEM degree: 56.0%

Marital Status

 39.6% married 

Never married: 53.0%

Labor Force Participation

 52.7% working 

Unemployed: 5.3%

Average Family Size

 3.55 people 

Commute Time

 33.4 minutes 

Health Care

 2.4% uninsured 

Poverty

 3.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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