Wyoming counties ranked by the diversity index, the chance that two public school students picked at random from the county belong to different racial or ethnic groups. Counties need at least 3 schools and 1,000 students to qualify. The median ranked county is at 31.9%.
| # | County | State | Diversity index |
|---|---|---|---|
| 1 | Fremont County | WY | 60.9% |
| 2 | Teton County | WY | 50.5% |
| 3 | Laramie County | WY | 48.8% |
| 4 | Carbon County | WY | 48.5% |
| 5 | Sweetwater County | WY | 44.6% |
| 6 | Albany County | WY | 43.3% |
| 7 | Washakie County | WY | 42.2% |
| 8 | Natrona County | WY | 37.5% |
| 9 | Goshen County | WY | 36.5% |
| 10 | Campbell County | WY | 33.2% |
| 11 | Big Horn County | WY | 31.9% |
| 12 | Platte County | WY | 31.7% |
| 13 | Uinta County | WY | 29.8% |
| 14 | Sublette County | WY | 28.3% |
| 15 | Converse County | WY | 27.1% |
| 16 | Park County | WY | 26.3% |
| 17 | Sheridan County | WY | 25.6% |
| 18 | Johnson County | WY | 24.8% |
| 19 | Weston County | WY | 20.5% |
| 20 | Lincoln County | WY | 18.4% |
| 21 | Crook County | WY | 10.2% |