ZIP Code 13421 — Oneida, New York

    📍 ZIP code 13421 is in Oneida, Madison County, New York.

    ZIP code 13421 is located in Oneida, Madison County, New York. It is a standard zip code in the Eastern Time Zone with an estimated population of 12,742. The area code for zip code 13421 is 315.

    ZIP
    13421
    City
    Oneida
    County
    Madison County
    State
    New York
    Time Zone
    Eastern
    Area Code
    315
    Type
    Standard
    USPS City
    Oneida
    Latitude
    43.0619° N
    Longitude
    75.6601° W
    Land Area
    40.1 sq mi
    Water Area
    0.1 sq mi

    ZIP Code 13421 Map

    Coordinates: 43.0619°N, 75.6601°W

    ZIP Code 13421 Demographics

    Population

    Total Population12,742
    Density318/sq mi
    Median Age45.9
    Male / Female47.4% / 52.6%

    Income & Economy

    Median Household$63,732
    Per Capita$40,291
    Poverty Rate11.4%
    Unemployment3.9%

    Housing

    Total Units5,953
    Owner-Occupied68%
    Renter-Occupied32%
    Median Home Value$147,800
    Median Rent$846

    Education

    High School Grad90.2%
    Bachelor's Degree25.6%

    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 13421 in Context

    The median home in 13421 is valued at $147,800 against a median household income of $63,732, a price-to-income ratio of 2.3. That is below the 2.9 median across the 1,572 New York ZIP codes with published housing data, and near the 3.0 ratio that marks an attainable market nationally. Within Madison County, 13421 ranks 10 of 19 ZIPs on affordability (1 = lowest ratio); the county median ratio is 2.3. Renting takes 15.9% of median household income (median rent $846 a month), under the 30% cost-burden threshold.

    13421 ranks 1,197 of 1,572 statewide on median household income and 1,231 of 1,572 on median home value; its income is below the $74,217 Madison County median. 68% of households own their home, below the 80% statewide ZIP median, making this a majority-owner ZIP. 26% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 11.4%, above the 9.9% statewide ZIP median. Unemployment stands at 3.9%.

    With 318 residents per square mile across 40.1 square miles of land, 13421 is far denser than the statewide ZIP median of 197 (rank 678 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 13421 primarily serves Oneida in Madison County, New York.

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