Iowa counties ranked by the diversity index, the chance that two public school students picked at random from the county belong to different racial or ethnic groups. Counties need at least 3 schools and 1,000 students to qualify. The median ranked county is at 25.3%. Showing ranks 51 to 89.
| # | County | State | Diversity index |
|---|---|---|---|
| 51 | Mahaska County | IA | 23.5% |
| 52 | Sac County | IA | 22.8% |
| 53 | Chickasaw County | IA | 22.8% |
| 54 | Fayette County | IA | 22.4% |
| 55 | Howard County | IA | 22.3% |
| 56 | Lyon County | IA | 21.8% |
| 57 | Dickinson County | IA | 21.8% |
| 58 | Boone County | IA | 21.7% |
| 59 | Ida County | IA | 21.3% |
| 60 | Poweshiek County | IA | 21.2% |
| 61 | Marion County | IA | 20.6% |
| 62 | Mills County | IA | 20.4% |
| 63 | Guthrie County | IA | 20.4% |
| 64 | Fremont County | IA | 20.3% |
| 65 | Jackson County | IA | 20.2% |
| 66 | Iowa County | IA | 19.8% |
| 67 | Lucas County | IA | 19.7% |
| 68 | Montgomery County | IA | 19.4% |
| 69 | Union County | IA | 19.3% |
| 70 | Jones County | IA | 19.2% |
| 71 | Page County | IA | 18.9% |
| 72 | Palo Alto County | IA | 18.7% |
| 73 | Winneshiek County | IA | 17.8% |
| 74 | Benton County | IA | 17.8% |
| 75 | Cedar County | IA | 17.0% |
| 76 | Delaware County | IA | 15.7% |
| 77 | Bremer County | IA | 15.3% |
| 78 | Calhoun County | IA | 14.8% |
| 79 | Grundy County | IA | 14.4% |
| 80 | Harrison County | IA | 14.0% |
| 81 | Keokuk County | IA | 13.9% |
| 82 | Appanoose County | IA | 13.7% |
| 83 | Mitchell County | IA | 13.7% |
| 84 | Monroe County | IA | 13.3% |
| 85 | Butler County | IA | 13.0% |
| 86 | Madison County | IA | 12.5% |
| 87 | Buchanan County | IA | 12.1% |
| 88 | Davis County | IA | 11.9% |
| 89 | Wayne County | IA | 11.7% |