8 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Knoxville | Knox County | 202,469 |
| Kingsport | Sullivan County | 57,908 |
| Kingston | Roane County | 6,455 |
| Karns | Anderson County | 4,720 |
| Kingston Springs | Cheatham County | 2,747 |
| Kimball | Marion County | 1,681 |
| Kenton | Gibson County | 1,235 |
| Kahite | Loudon County | 858 |