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.
| County | Diversity Index | |
|---|---|---|
| 1. | Fulton County | 11.2 |
| 2. | Lawrence County | 11.9 |
| 3. | Clay County | 12.3 |
| 4. | Cleburne County | 12.5 |
| 5. | Marion County | 12.8 |
| 6. | Stone County | 12.8 |
| 7. | Newton County | 13.0 |
| 8. | Randolph County | 13.8 |
| 9. | Baxter County | 13.8 |
| 10. | Searcy County | 14.7 |
| 11. | Van Buren County | 14.7 |
| 12. | Sharp County | 14.8 |
| 13. | Boone County | 14.8 |
| 14. | Greene County | 15.2 |
| 15. | Izard County | 17.6 |
| 16. | Perry County | 18.2 |
| 17. | Grant County | 18.7 |
| 18. | Franklin County | 19.6 |
| 19. | Montgomery County | 21.5 |
| 20. | Logan County | 22.1 |
