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
Population
City
121344,304Northville
12032737Caroga Lake
12842705Indian Lake
12847687Long Lake
12190641Wells
12164485Speculator
12108408Lake Pleasant
12812349Blue Mountain Lake
12139286Piseco
13360128Inlet
13436107Raquette Lake
1335341Hoffmeister
128649Sabael

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