Iowa Gazetteer
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.
| County | Wealth Index | |
|---|---|---|
| 1. | Mills County | 117 |
| 2. | Davis County | 110 |
| 3. | Dallas County | 106 |
| 4. | Warren County | 106 |
| 5. | Grundy County | 103 |
| 6. | Madison County | 101 |
| 7. | Scott County | 101 |
| 8. | Plymouth County | 100 |
| 9. | Sioux County | 100 |
| 10. | Dickinson County | 100 |
| 11. | Shelby County | 99 |
| 12. | Poweshiek County | 96 |
| 13. | Dubuque County | 94 |
| 14. | Johnson County | 94 |
| 15. | Guthrie County | 92 |
| 16. | Delaware County | 92 |
| 17. | Polk County | 91 |
| 18. | Cherokee County | 90 |
| 19. | Bremer County | 90 |
| 20. | Benton County | 89 |
