Identifiers: city · village · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Amsterdam (city), NY | 18,219 |
| 2 | Johnstown (city), NY | 8,204 |
| 3 | Little Falls (city), NY | 4,605 |
| 4 | Canajoharie (village), NY | 2,037 |
| 5 | Fort Plain (village), NY | 1,930 |
| 6 | St. Johnsville (village), NY | 1,643 |
| 7 | Tribes Hill (CDP), NY | 937 |
| 8 | Palatine Bridge (village), NY | 796 |
| 9 | Fultonville (village), NY | 742 |
| 10 | Fonda (village), NY | 668 |
| 11 | Nelliston (village), NY | 555 |
| 12 | Caroga Lake (CDP), NY | 548 |
| 13 | Sharon Springs (village), NY | 483 |
| 14 | Cherry Valley (village), NY | 467 |
| 15 | Springfield Center (CDP), NY | 336 |
| 16 | Ames (village), NY | 138 |