| City | County | 2026 Pop. ↓ |
|---|---|---|
| Laramie | Albany County | 32,511 |
| Lander | Fremont County | 7,385 |
| Lovell | Big Horn County | 2,379 |
| Lyman | Uinta County | 2,229 |
| Lusk | Niobrara County | 1,391 |
| Lucerne | Hot Springs County | 450 |
| Lingle | Goshen County | 398 |
| La Barge | Lincoln County | 390 |
| LaGrange | Goshen County | 383 |
| Lakeview North | Albany County | 65 |
| Lance Creek | Niobrara County | 58 |
| Lonetree | Uinta County | 36 |
| Little America | Sweetwater County | 23 |
| Lost Springs | Converse County | 3 |