13 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Cheyenne | Laramie County | 65,114 |
| Casper | Natrona County | 58,327 |
| Cody | Park County | 10,370 |
| Cowley | Big Horn County | 899 |
| Casper Mountain | Natrona County | 738 |
| Cokeville | Lincoln County | 488 |
| Clearview Acres | Sweetwater County | 420 |
| Centennial | Albany County | 364 |
| Carpenter | Laramie County | 215 |
| Crowheart | Fremont County | 182 |
| Chugwater | Platte County | 167 |
| Clearmont | Sheridan County | 128 |
| Chugcreek | Albany County | 70 |