The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
| Name | County | Diversity Index | |
|---|---|---|---|
| 1. | Town of Cleveland | Emery | 4.7 |
| 2. | Town of Glenwood | Sevier | 4.8 |
| 3. | Town of Annabella | Sevier | 4.9 |
| 4. | Town of Marysvale | Piute | 7.1 |
| 5. | City of Orangeville | Emery | 7.1 |
| 6. | Town of Kingston | Piute | 7.3 |
| 7. | City of Hildale | Washington | 8.4 |
| 8. | Town of Apple Valley | Washington | 8.6 |
| 9. | Town of Clarkston | Cache | 9.2 |
| 10. | Town of Glendale | Kane | 9.9 |
| 11. | Navajo Mountain Census Designated Place | San Juan | 10.4 |
| 12. | Town of Orderville | Kane | 10.9 |
| 13. | Town of Henefer | Summit | 11.1 |
| 14. | Town of Huntsville | Weber | 11.8 |
| 15. | Town of Uintah | Weber | 11.8 |
| 16. | Town of Redmond | Sevier | 11.9 |
| 17. | Town of Elmo | Emery | 12.3 |
| 18. | City of Castle Dale | Emery | 12.5 |
| 19. | Town of Paradise | Cache | 12.5 |
| 20. | Avon Census Designated Place | Cache | 13.3 |
