7 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Jeffersontown | Jefferson County | 29,446 |
| Junction City | Boyle County | 2,355 |
| Jackson | Breathitt County | 2,034 |
| Jamestown | Russell County | 1,898 |
| Jeffersonville | Montgomery County | 1,806 |
| Jenkins | Letcher County | 1,688 |
| Jeff | Perry County | 220 |