13 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Mills | Natrona County | 4,762 |
| Moose Wilson Road | Teton County | 1,278 |
| Mountain View | Uinta County | 1,262 |
| Moorcroft | Crook County | 1,064 |
| Marbleton | Sublette County | 839 |
| Meeteetse | Park County | 318 |
| Midwest | Natrona County | 293 |
| Medicine Bow | Carbon County | 236 |
| Meadow Acres | Converse County | 124 |
| Manderson | Big Horn County | 90 |
| Manville | Niobrara County | 90 |
| McKinnon | Sweetwater County | 65 |
| Mammoth | Park County | 1 |