There are 14 zip codes in Montgomery County, New York. The most populated is 12010, located in Amsterdam. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1201027,213Amsterdam
133396,084Fort Plain
134524,874Saint Johnsville
133174,002Canajoharie
120722,992Fultonville
120682,509Fonda
120702,499Fort Johnson
120661,834Esperance
120861,648Hagaman
134281,533Palatine Bridge
121661,505Sprakers
13410536Nelliston
12069483Fort Hunter
12177455Tribes Hill
showing: 14 rows

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