30 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Lebanon | Wilson County | 57,804 |
| La Vergne | Rutherford County | 42,792 |
| Lakeland | Shelby County | 14,610 |
| Lewisburg | Marshall County | 14,036 |
| Lenoir City | Loudon County | 12,998 |
| Lawrenceburg | Lawrence County | 12,350 |
| Lexington | Henderson County | 8,080 |
| Loudon | Loudon County | 7,402 |
| La Follette | Campbell County | 7,085 |
| Lynchburg, Moore County | Bedford County | 6,926 |
| Lafayette | Macon County | 6,085 |
| Lake Tansi | Bledsoe County | 4,737 |
| Louisville | Blount County | 4,307 |
| Livingston | Overton County | 4,190 |
| Lookout Mountain | Hamilton County | 2,023 |
| Lakesite | Hamilton County | 1,991 |
| Loretto | Lawrence County | 1,851 |
| Lone Oak | Hamilton County | 1,522 |
| Linden | Perry County | 1,183 |
| Lyles | Hickman County | 1,159 |
| Luttrell | Union County | 1,120 |
| Lakewood Park | Bedford County | 1,022 |
| Lobelville | Perry County | 1,005 |
| Leoma | Lawrence County | 421 |
| Lenox | Dyer County | 396 |
| Liberty | DeKalb County | 351 |
| Lynnville | Giles County | 334 |
| Luray | Chester County | 162 |
| La Grange | Fayette County | 118 |
| Lavinia | Carroll County | 95 |