7 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Jeffersontown | Jefferson County | 29,417 |
| Junction City | Boyle County | 2,342 |
| Jackson | Breathitt County | 2,067 |
| Jamestown | Russell County | 1,891 |
| Jeffersonville | Montgomery County | 1,789 |
| Jenkins | Letcher County | 1,722 |
| Jeff | Perry County | 138 |