St. Lawrence County, New York ZIP Codes

45 ZIP Codes

Zip Code
City
Population ↓
13662Massena15,556
13669Ogdensburg15,542
13676Potsdam12,874
13617Canton12,431
13642Gouverneur9,043
13668Norwood3,563
13667Norfolk3,476
13613Brasher Falls2,931
13646Hammond2,546
13699Potsdam2,194
13658Lisbon2,189
13654Heuvelton2,073
13652Hermon2,067
13697Winthrop1,898
13625Colton1,792
13660Madrid1,774
13694Waddington1,442
13635Edwards1,279
12967North Lawrence1,263
13680Rensselaer Falls1,186
13630De Kalb Junction1,184
13684Russell1,149
13690Star Lake748
13681Richville738
13621Chase Mills589
13687South Colton483
13672Parishville449
13633De Peyster389
13664Morristown384
13670Oswegatchie378
12965Nicholville363
12927Cranberry Lake318
13666Newton Falls234
13614Brier Hill214
13696West Stockholm181
13695Wanakena157
12973Piercefield154
13623Chippewa Bay68
13649Helena56
12922Childwold44
13683Rooseveltown41
13647Hannawa Falls26
13639Fine23
13678Raymondville20
13645Hailesboro0

Overview of ZIP Codes in St. Lawrence County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
45
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 45 ZCTAs in St. Lawrence County, New York (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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