ZIP Code 11590 — Westbury, New York

    📍 ZIP code 11590 is in Westbury, Nassau County, New York.

    ZIP code 11590 is located in Westbury, Nassau County, New York. It is a standard zip code in the Eastern Time Zone with an estimated population of 48,243. The area code for zip code 11590 is 516.

    ZIP
    11590
    City
    Westbury
    County
    Nassau County
    State
    New York
    Time Zone
    Eastern
    Area Code
    516
    Type
    Standard
    USPS City
    Westbury
    Latitude
    40.7552° N
    Longitude
    73.5743° W
    Land Area
    6.7 sq mi
    Water Area
    0 sq mi

    ZIP Code 11590 Map

    Coordinates: 40.7552°N, 73.5743°W

    ZIP Code 11590 Demographics

    Population

    Total Population48,243
    Density7,200/sq mi
    Median Age42.4
    Male / Female50.2% / 49.8%

    Income & Economy

    Median Household$149,250
    Per Capita$58,031
    Poverty Rate4.9%
    Unemployment2.9%

    Housing

    Total Units15,497
    Owner-Occupied77.3%
    Renter-Occupied22.7%
    Median Home Value$616,500
    Median Rent$2,209

    Education

    High School Grad86.8%
    Bachelor's Degree40.1%

    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).

    Affordability & Profile: ZIP 11590 in Context

    The median home in 11590 is valued at $616,500 against a median household income of $149,250, a price-to-income ratio of 4.1. That is above the 2.9 median across the 1,572 New York ZIP codes with published housing data, and past the 3.0 ratio that marks an attainable market nationally, though it is among the more attainable ratios in the state. Within Nassau County, 11590 ranks 14 of 67 ZIPs on affordability (1 = lowest ratio); the county median ratio is 4.9. Renting takes 17.8% of median household income (median rent $2,209 a month), under the 30% cost-burden threshold.

    11590 ranks 131 of 1,572 statewide on median household income and 286 of 1,572 on median home value; its income is in line with the $149,250 Nassau County median. 77% of households own their home, in line with the 80% statewide ZIP median, making this a majority-owner ZIP. 40% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 4.9%, far below the 9.9% statewide ZIP median and among the lowest in the state. Unemployment stands at 2.9%.

    With 7,200 residents per square mile across 6.7 square miles of land, 11590 is far denser than the statewide ZIP median of 197 (rank 224 of 1,572). This is predominantly single-family residential with suburban street patterns.

    Ratios and ranks are computed from the ACS figures above across the 1,572 New York ZIP codes with published housing data. See the 2026 New York affordability report for the statewide analysis and the methodology for definitions.

    Nearby Zip Codes

    Cities & Places Served

    ZIP code 11590 primarily serves Westbury in Nassau County, New York.

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