Zip Code 11590 — Westbury, NY

ZIP Code 11590 is associated with Westbury, NY, in Nassau County. The listed population estimate is 47,599; estimated density is 2,741.2 people per square mile. Among records with population estimates, it ranks #3 of 68 in Nassau County and #95 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.755410, -73.574630)

Data MetricLocal Statistic
Postal / Zip Code11590
Primary CityWestbury
State / ProvinceNY
CountyNassau
Total Population47,599
Population Density2,741.2 people/sq mi
TimezoneAmerica/New_York

How 11590 Compares

MetricZIP 11590Nassau County recordsNY records
Population estimate47,5991,369,359 (sum)19,771,902 (sum)
Population Density2,741.2 /sq mi----
County population rank#3 of 68----
State population rank#95 of 1,778----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in NY

ZIP CodeCityDistancePopulation estimate
ZIP 11514Carle Place2.0 mi4,544
ZIP 11568Old Westbury2.5 mi4,144
ZIP 11556Uniondale2.5 miN/A
ZIP 11554East Meadow2.6 mi36,821
ZIP 11801Hicksville2.7 mi41,585

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →