| County | Total Population |
| Laramie |  94,627 |
| Natrona | 78,665 |
| Campbell | 47,882 |
| Sweetwater | 45,164 |
| Fremont | 41,090 |
| Albany | 37,246 |
| Sheridan | 29,603 |
| Park | 28,817 |
| Teton | 21,648 |
| Uinta | 21,047 |
| Lincoln | 17,960 |
| Carbon | 15,683 |
| Converse | 14,006 |
| Goshen | 13,689 |
| Big Horn | 11,767 |
| Sublette | 10,370 |
| Platte | 8,751 |
| Johnson | 8,602 |
| Washakie | 8,451 |
| Crook | 7,166 |
| Weston | 7,071 |
| Hot Springs | 4,841 |
| Niobrara | 2,480 |