The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
| Name | County | Wealth Index | |
|---|---|---|---|
| 1. | City of Weippe | Clearwater | 25 |
| 2. | City of Glenns Ferry | Elmore | 33 |
| 3. | Hammett Census Designated Place | Elmore | 33 |
| 4. | City of Smelterville | Shoshone | 34 |
| 5. | City of Homedale | Owyhee | 36 |
| 6. | City of Clark Fork | Bonner | 37 |
| 7. | City of Challis | Custer | 38 |
| 8. | City of Council | Adams | 38 |
| 9. | City of Wilder | Canyon | 38 |
| 10. | City of Wardner | Shoshone | 39 |
| 11. | City of Kamiah | Lewis | 41 |
| 12. | Mountain Home Air Force Base Census Designated Place | Elmore | 41 |
| 13. | City of Kooskia | Idaho | 43 |
| 14. | City of Kellogg | Shoshone | 43 |
| 15. | City of Malta | Cassia | 44 |
| 16. | City of Saint Anthony | Fremont | 44 |
| 17. | City of Weiser | Washington | 45 |
| 18. | City of Osburn | Shoshone | 45 |
| 19. | City of Hazelton | Jerome | 45 |
| 20. | City of Dubois | Clark | 45 |