All counties in Wyoming
| County Name | Population | State | Rank |
|---|
| Laramie County | 91,738 | Wyoming | 1 |
| Natrona County | 75,450 | Wyoming | 2 |
| Campbell County | 46,133 | Wyoming | 3 |
| Sweetwater County | 43,806 | Wyoming | 4 |
| Fremont County | 40,123 | Wyoming | 5 |
| Albany County | 36,299 | Wyoming | 6 |
| Sheridan County | 29,116 | Wyoming | 7 |
| Park County | 28,205 | Wyoming | 8 |
| Teton County | 21,294 | Wyoming | 9 |
| Uinta County | 21,118 | Wyoming | 10 |
| Lincoln County | 18,106 | Wyoming | 11 |
| Carbon County | 15,885 | Wyoming | 12 |
| Converse County | 13,833 | Wyoming | 13 |
| Goshen County | 13,249 | Wyoming | 14 |
| Big Horn County | 11,668 | Wyoming | 15 |
| Sublette County | 10,247 | Wyoming | 16 |
| Platte County | 8,667 | Wyoming | 17 |
| Johnson County | 8,569 | Wyoming | 18 |
| Washakie County | 8,533 | Wyoming | 19 |
| Weston County | 7,208 | Wyoming | 20 |
| Crook County | 7,083 | Wyoming | 21 |
| Hot Springs County | 4,812 | Wyoming | 22 |
| Niobrara County | 2,484 | Wyoming | 23 |