| City | County | 2026 Pop. ↓ |
|---|---|---|
| Cheyenne | Laramie County | 66,580 |
| Casper | Natrona County | 58,624 |
| Cody | Park County | 10,442 |
| Cowley | Big Horn County | 876 |
| Casper Mountain | Natrona County | 680 |
| Cokeville | Lincoln County | 483 |
| Centennial | Albany County | 386 |
| Chugwater | Platte County | 168 |
| Crowheart | Fremont County | 134 |
| Clearmont | Sheridan County | 125 |
| Chugcreek | Albany County | 123 |
| Clearview Acres | Sweetwater County | 107 |
| Cora | Sublette County | 56 |