Westbury, New York Zip Codes
📍 Westbury is in Nassau County, New York with 5 zip codes; the most populous is 11590.
Westbury is a USPS city name in Nassau County, New York with a Census population of approximately 48,243 across its ZIP codes. Nassau County as a whole has 110 ZIP codes in this directory. Below you'll find every zip code serving Westbury with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Westbury Zip Codes
| ZIP Code | City | Details |
|---|---|---|
| 11590 | Westbury | View → |
| 11593 | Westbury | View → |
| 11594 | Westbury | View → |
| 11595 | Westbury | View → |
| 11597 | Westbury | View → |
Westbury at a Glance
Westbury has 5 ZIP codes in this directory: 5 standard delivery ZIPs. Its one ZIP with published Census housing data, 11590, has 48,243 residents.
Westbury's ZIP has a household income of $149,250 and a home value of $616,500, a price-to-income ratio of 4.1, above the 2.9 New York ZIP median. Median rent across these ZIPs is $2,209 a month.
77% of households in Westbury own their home (statewide ZIP median 80%). 40% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 4.9%, far below the 9.9% statewide ZIP median. Overall density is about 7,200 residents per square mile across 7 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.
Westbury Zip Code Map
Interactive map of Westbury, New York zip codes. Click any marker for details.