There are 15 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
13489533West Leyden
13312308Brantingham
13305201Beaver Falls
13345175Greig
13404127Martinsburg
showing: 15 rows

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