ZIP Code 11705 — Bayport, New York

    📍 ZIP code 11705 is in Bayport, Suffolk County, New York.

    ZIP code 11705 is located in Bayport, Suffolk County, New York. It is a standard zip code in the Eastern Time Zone with an estimated population of 8,256. The area code for zip code 11705 is 631.

    ZIP
    11705
    City
    Bayport
    County
    Suffolk County
    State
    New York
    Time Zone
    Eastern
    Area Code
    631
    Type
    Standard
    USPS City
    Bayport
    Latitude
    40.7433° N
    Longitude
    73.0559° W
    Land Area
    3.4 sq mi
    Water Area
    0.1 sq mi

    ZIP Code 11705 Map

    Coordinates: 40.7433°N, 73.0559°W

    ZIP Code 11705 Demographics

    Population

    Total Population8,256
    Density2,428/sq mi
    Median Age42.1
    Male / Female50.7% / 49.3%

    Income & Economy

    Median Household$161,214
    Per Capita$66,856
    Poverty Rate4.6%
    Unemployment0.8%

    Housing

    Total Units2,988
    Owner-Occupied85.5%
    Renter-Occupied14.5%
    Median Home Value$618,300
    Median Rent$2,193

    Education

    High School Grad99%
    Bachelor's Degree56.2%

    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 11705 in Context

    The median home in 11705 is valued at $618,300 against a median household income of $161,214, a price-to-income ratio of 3.8. 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. Within Suffolk County, 11705 ranks 30 of 95 ZIPs on affordability (1 = lowest ratio); the county median ratio is 4.2. Renting takes 16.3% of median household income (median rent $2,193 a month), under the 30% cost-burden threshold.

    11705 ranks 95 of 1,572 statewide on median household income and 285 of 1,572 on median home value; its income is above the $128,844 Suffolk County median. 86% of households own their home, above the 80% statewide ZIP median, making this a majority-owner ZIP. 56% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 4.6%, far below the 9.9% statewide ZIP median and among the lowest in the state. Unemployment stands at 0.8%.

    With 2,428 residents per square mile across 3.4 square miles of land, 11705 is far denser than the statewide ZIP median of 197 (rank 378 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 11705 primarily serves Bayport in Suffolk County, New York.

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