| City | County | 2026 Pop. ↓ |
|---|---|---|
| Jeffersontown | Jefferson County | 29,216 |
| Junction City | Boyle County | 2,357 |
| Jeffersonville | Montgomery County | 2,155 |
| Jackson | Breathitt County | 2,015 |
| Jamestown | Russell County | 1,909 |
| Jenkins | Letcher County | 1,699 |
| Jeff | Perry County | 220 |