| County | Total Population |
| Laramie |  85,384 |
| Natrona | 70,401 |
| Campbell | 38,934 |
| Sweetwater | 38,763 |
| Fremont | 37,163 |
| Albany | 30,360 |
| Sheridan | 27,673 |
| Park | 27,094 |
| Uinta | 20,213 |
| Teton | 19,288 |
| Lincoln | 16,383 |
| Carbon | 15,325 |
| Converse | 12,866 |
| Goshen | 12,129 |
| Big Horn | 11,390 |
| Platte | 8,588 |
| Johnson | 8,014 |
| Washakie | 7,819 |
| Sublette | 7,359 |
| Weston | 6,762 |
| Crook | 6,255 |
| Hot Springs | 4,588 |
| Niobrara | 2,253 |