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    Seneca County, NY Zip Codes

    19 zip codes across 19 cities in Seneca County, NY

    About Seneca County

    Seneca County, New York (NY) contains 19 unique zip codes spanning 19 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.

    Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Seneca County.

    Total Zip Codes

    19

    Cities

    19

    County

    Seneca

    State

    NY

    Cities in Seneca County

    All Zip Codes in Seneca County, NY

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    Frequently Asked Questions

    How many zip codes are in Seneca County, NY?

    Seneca County, NY has 19 zip codes across 19 cities.

    What cities are in Seneca County?

    Cities in Seneca County include Alvada, Attica, Bascom, Bettsville, Bloomville, Flat Rock, Fostoria, Green Springs, Interlaken, Kansas, Lodi, New Riegel, Old Fort, Ovid, Republic, Romulus, Seneca Falls, Tiffin, Waterloo.

    What state is Seneca County in?

    Seneca County is located in New York (NY).

    All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.