There are 13 zip codes in Hamilton County, New York. The most populated is 12134, located in Northville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
12134Northville4,304
12032Caroga Lake737
12842Indian Lake705
12847Long Lake687
12190Wells641
12164Speculator485
12108Lake Pleasant408
12812Blue Mountain Lake349
12139Piseco286
13360Inlet128
13436Raquette Lake107
13353Hoffmeister41
12864Sabael9

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