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. | Dallas County | 126 |
| 2. | Mills County | 117 |
| 3. | Shelby County | 112 |
| 4. | Dickinson County | 110 |
| 5. | Plymouth County | 108 |
| 6. | Warren County | 102 |
| 7. | Guthrie County | 102 |
| 8. | Sioux County | 101 |
| 9. | Grundy County | 100 |
| 10. | Delaware County | 99 |
| 11. | Bremer County | 99 |
| 12. | Adams County | 97 |
| 13. | Dubuque County | 97 |
| 14. | Davis County | 97 |
| 15. | Madison County | 97 |
| 16. | Marion County | 96 |
| 17. | Ringgold County | 96 |
| 18. | Poweshiek County | 95 |
| 19. | Polk County | 94 |
| 20. | Iowa County | 94 |
