| population | |
| Albany County | 38950 |
| Big Horn County | 11521 |
| Campbell County | 47026 |
| Carbon County | 14537 |
| Converse County | 13751 |
| Crook County | 7181 |
| Fremont County | 39234 |
| Goshen County | 13211 |
| population | |
| Hot Springs County | 4812 |
| Johnson County | 8447 |
| Laramie County | 91738 |
| Lincoln County | 19581 |
| Natrona County | 75450 |
| Niobrara County | 2356 |
| Park County | 29624 |
| Platte County | 8393 |
| population | |
| Sheridan County | 30863 |
| Sublette County | 8728 |
| Sweetwater County | 42272 |
| Teton County | 23331 |
| Uinta County | 21118 |
| Washakie County | 7685 |
| Weston County | 6927 |
 | Riverton Regional Airport | ~ 78.28 km |
| Casper-Natrona County International Airport | ~ 85.01 km |
| Hunt Field | ~ 102.20 km |
| Hot Springs County Airport | ~ 107.03 km |
| Worland Municipal Airport | ~ 113.33 km |
| Rawlins Municipal Airport/Harvey Field | ~ 135.12 km |
| Johnson County Airport | ~ 165.82 km |
| Converse County Airport | ~ 173.74 km |
| South Big Horn County Airport | ~ 174.99 km |
