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. | Village of Ahmeek | Keweenaw | 2.9 |
| 2. | Village of Minden City | Sanilac | 3.1 |
| 3. | Village of Camden | Hillsdale | 3.7 |
| 4. | Lost Lake Woods Census Designated Place | Alcona | 3.9 |
| 5. | Village of Estral Beach | Monroe | 4.2 |
| 6. | City of Reading | Hillsdale | 4.5 |
| 7. | Presque Isle Harbor Census Designated Place | Presque Isle | 5.1 |
| 8. | Michigamme Census Designated Place | Marquette | 6.0 |
| 9. | Village of Forestville | Sanilac | 6.0 |
| 10. | Village of Copper City | Houghton | 6.2 |
| 11. | Manistee Lake Census Designated Place | Kalkaska | 6.2 |
| 12. | Village of Bancroft | Shiawassee | 6.6 |
| 13. | Pearl Beach Census Designated Place | St. Clair | 6.7 |
| 14. | Village of Ubly | Huron | 6.7 |
| 15. | Village of Montgomery | Hillsdale | 6.8 |
| 16. | Maple City Census Designated Place | Leelanau | 6.9 |
| 17. | Republic Census Designated Place | Marquette | 7.1 |
| 18. | Village of Otisville | Genesee | 7.4 |
| 19. | Village of North Adams | Hillsdale | 7.5 |
| 20. | Village of Empire | Leelanau | 7.5 |
