Identifiers: village · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Clayton (village), NY | 1,705 |
| 2 | Philadelphia (village), NY | 1,098 |
| 3 | Alexandria Bay (village), NY | 924 |
| 4 | Theresa (village), NY | 752 |
| 5 | Evans Mills (village), NY | 678 |
| 6 | La Fargeville (CDP), NY | 537 |
| 7 | Redwood (CDP), NY | 493 |
| 8 | Depauville (CDP), NY | 488 |
| 9 | Pamelia Center (CDP), NY | 471 |
| 10 | Morristown (CDP), NY | 398 |
| 11 | Hammond (village), NY | 273 |
| 12 | Plessis (CDP), NY | 126 |
| 13 | Thousand Island Park (CDP), NY | 96 |