City | 2024 Population |
|---|---|
| Jackson | 1,719 |
| Jacksonville | 898 |
| Jamesport | 1,720 |
| Jamestown | 27,731 |
| Jamestown West | 2,675 |
| Jasper | 1,382 |
| Java | 1,929 |
| Jay | 2,451 |
| Jefferson | 177 |
| Jefferson Heights | 1,865 |
| Jefferson Valley-Yorktown | 13,880 |
| Jeffersonville | 392 |
| Jericho | 14,634 |
| Jerusalem | 4,069 |
| Jewett | 866 |
| Johnsburg | 2,078 |
| Johnson City | 14,745 |
| Johnstown | 6,247 |
| Jordan | 1,195 |
| Junius | 1,354 |