North Iowa Cities
| 1 | Cerro Gordo County | 26,785 |
| 2 | Cerro Gordo County | 7,536 |
| 3 | Winnebago County | 4,274 |
| 4 | Franklin County | 4,253 |
| 5 | Wright County | 3,554 |
| 6 | Hancock County | 3,028 |
| 7 | Wright County | 2,725 |
| 8 | Wright County | 2,378 |
| 9 | Winnebago County | 2,107 |
| 10 | Worth County | 2,040 |
| 11 | Hancock County | 1,993 |
| 12 | Floyd County | 1,342 |
| 13 | Worth County | 1,222 |
| 14 | Franklin County | 1,101 |
| 15 | Cerro Gordo County | 1,035 |
| 16 | Winnebago County | 842 |
| 17 | Cerro Gordo County | 692 |
| 18 | Hancock County | 634 |
| 19 | Wright County | 608 |
| 20 | Wright County | 503 |
| 21 | Winnebago County | 486 |
| 22 | Franklin County | 469 |
| 23 | Hancock County | 427 |
| 24 | Cerro Gordo County | 389 |
| 25 | Kossuth County | 376 |
| 26 | Cerro Gordo County | 365 |
| 27 | Worth County | 296 |
| 28 | Franklin County | 282 |
| 29 | Hancock County | 258 |
| 30 | Worth County | 254 |
| 31 | Winnebago County | 243 |
| 32 | Hancock County | 241 |
| 33 | Humboldt County | 226 |
| 34 | Franklin County | 216 |
| 35 | Worth County | 210 |
| 36 | Cerro Gordo County | 209 |
| 37 | Worth County | 202 |
| 38 | Worth County | 200 |
| 39 | Winnebago County | 180 |
| 40 | Hancock County | 179 |
| 41 | Franklin County | 161 |
| 42 | Franklin County | 160 |
| 43 | Cerro Gordo County | 143 |
| 44 | Hancock County | 139 |
| 45 | Cerro Gordo County | 137 |
| 46 | Franklin County | 134 |
| 47 | Wright County | 118 |
| 48 | Mitchell County | 90 |
| 49 | Franklin County | 81 |
| 50 | Winnebago County | 77 |
| 51 | Franklin County | 76 |
| 52 | Hancock County | 72 |
| 53 | Hancock County | 61 |
| 54 | Cerro Gordo County | 60 |
| 55 | Butler County | 58 |
| 56 | Cerro Gordo County | 33 |
| 57 | Cerro Gordo County | 24 |
| 58 | Hancock County | 23 |
| 59 | Wright County | 21 |
| 60 | Worth County | 9 |