ZIP Code 11788 — Hauppauge, New York

    📍 ZIP code 11788 is in Hauppauge, Suffolk County, New York.

    ZIP code 11788 is located in Hauppauge, Suffolk County, New York. It is a standard zip code in the Eastern Time Zone with an estimated population of 17,092. The area code for zip code 11788 is 631.

    ZIP
    11788
    City
    Hauppauge
    County
    Suffolk County
    State
    New York
    Time Zone
    Eastern
    Area Code
    631
    Type
    Standard
    USPS City
    Hauppauge
    Latitude
    40.8181° N
    Longitude
    73.2132° W
    Land Area
    8.6 sq mi
    Water Area
    0 sq mi

    ZIP Code 11788 Map

    Coordinates: 40.8181°N, 73.2132°W

    ZIP Code 11788 Demographics

    Population

    Total Population17,092
    Density1,987/sq mi
    Median Age42.6
    Male / Female49.1% / 50.9%

    Income & Economy

    Median Household$148,946
    Per Capita$62,396
    Poverty Rate4.5%
    Unemployment5.3%

    Housing

    Total Units5,818
    Owner-Occupied83.5%
    Renter-Occupied16.5%
    Median Home Value$635,700
    Median Rent$2,689

    Education

    High School Grad92.9%
    Bachelor's Degree49.7%

    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 11788 in Context

    The median home in 11788 is valued at $635,700 against a median household income of $148,946, a price-to-income ratio of 4.3. 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 Suffolk County, 11788 ranks 49 of 95 ZIPs on affordability (1 = lowest ratio); the county median ratio is 4.2. Renting takes 21.7% of median household income (median rent $2,689 a month), under the 30% cost-burden threshold.

    11788 ranks 132 of 1,572 statewide on median household income and 258 of 1,572 on median home value; its income is above the $128,844 Suffolk County median. 84% of households own their home, in line with the 80% statewide ZIP median, making this a majority-owner ZIP. 50% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 4.5%, far below the 9.9% statewide ZIP median and among the lowest in the state. Unemployment stands at 5.3%.

    With 1,987 residents per square mile across 8.6 square miles of land, 11788 is far denser than the statewide ZIP median of 197 (rank 417 of 1,572). This is a low-density pattern of large lots, small towns or scattered subdivisions.

    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 11788 primarily serves Hauppauge in Suffolk County, New York.

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