There are 16 zip codes in Lewis County, New York. The most populated is 13367, located in Lowville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
133678,682Lowville
136262,282Copenhagen
133272,230Croghan
136202,066Castorland
136482,007Harrisville
134331,647Port Leyden
133431,625Glenfield
134731,128Turin
133681,121Lyons Falls
13325929Constableville
13665812Natural Bridge
13489533West Leyden
13312308Brantingham
13305201Beaver Falls
13345175Greig
13404127Martinsburg

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