| City | Population |
| Adams Center, NY | 1,568 |
| Adams village, NY | 1,775 |
| Alexandria Bay village, NY | 1,078 |
| Antwerp village, NY | 686 |
| Belleville, NY | 226 |
| Black River village, NY | 1,348 |
| Brownville village, NY | 1,119 |
| Calcium, NY | 3,491 |
| Cape Vincent village, NY | 726 |
| Carthage village, NY | 3,747 |
| Castorland village, NY | 351 |
| Chaumont village, NY | 624 |
| Clayton village, NY | 1,978 |
| Copenhagen village, NY | 801 |
| Cranberry Lake, NY | 200 |
| Croghan village, NY | 618 |
| Deferiet village, NY | 294 |
| DeKalb Junction, NY | 519 |
| Depauville, NY | 577 |
| Dexter village, NY | 1,052 |
| Edwards village, NY | 439 |
| Ellisburg village, NY | 244 |
| Evans Mills village, NY | 621 |
| Felts Mills, NY | 372 |
| Fishers Landing, NY | 89 |
| Fort Drum, NY | 12,955 |
| Glen Park village, NY | 502 |
| Gouverneur village, NY | 3,949 |
| Great Bend, NY | 843 |
| Hailesboro, NY | 624 |
| Hammond village, NY | 280 |
| Harrisville village, NY | 628 |
| Henderson, NY | 224 |
| Hermon village, NY | 422 |
| Herrings village, NY | 90 |
| Heuvelton village, NY | 714 |
| Jefferson County rural, NY | 44,119 |
| La Fargeville, NY | 608 |
| Lewis County rural, NY | 19,507 |
| Lorraine, NY | 174 |
| Lowville village, NY | 3,470 |
| Mannsville village, NY | 354 |
| Morristown village, NY | 395 |
| Natural Bridge, NY | 365 |
| Ogdensburg, NY | 11,128 |
| Old Forge, NY | 756 |
| Oxbow, NY | 108 |
| Pamelia Center, NY | 264 |
| Philadelphia village, NY | 1,252 |
| Pierrepont Manor, NY | 228 |
| Plessis, NY | 164 |
| Redwood, NY | 605 |
| Rensselaer Falls village, NY | 332 |
| Richville village, NY | 323 |
| Rodman, NY | 153 |
| Sackets Harbor village, NY | 1,450 |
| Star Lake, NY | 809 |
| Theresa village, NY | 863 |
| Thousand Island Park, NY | 31 |
| Three Mile Bay, NY | 227 |
| Watertown, NY | 27,023 |
| West Carthage village, NY | 2,012 |
| | |
| Total | 162,494 |
