There are 17 zip codes in Cayuga County, New York. The most populated is 13021, located in Auburn. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1302137,640Auburn
131185,811Moravia
131665,758Weedsport
131404,335Port Byron
130333,661Cato
130922,726Locke
131602,262Union Springs
131562,169Sterling
130342,022Cayuga
131111,790Martville
130261,737Aurora
130241,380Auburn
130811,114King Ferry
13147929Scipio Center
13071864Genoa
13117279Montezuma
1311352Meridian
showing: 17 rows

Zip Codes in Cayuga County, New York by Population (2024)