There are 13 zip codes in Tompkins County, New York. The most populated is 14850, located in Ithaca. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
14850Ithaca65,740
14886Trumansburg6,544
13073Groton6,514
14867Newfield5,242
13068Freeville4,778
13053Dryden4,717
14882Lansing3,678
14817Brooktondale2,911
14853Ithaca2,202
14881Slaterville Springs250
13062Etna212
14854Jacksonville95
13102McLean52

Tompkins County, New York Zip Codes by Population (2024)