Central Iowa Cities
| 1 | Polk County | 76,435 |
| 2 | Story County | 65,419 |
| 3 | Polk County | 47,112 |
| 4 | Dallas County | 34,066 |
| 5 | Polk County | 24,816 |
| 6 | Polk County | 22,372 |
| 7 | Polk County | 19,122 |
| 8 | Polk County | 16,615 |
| 9 | Jasper County | 15,610 |
| 10 | Boone County | 12,404 |
| 11 | Polk County | 12,092 |
| 12 | Polk County | 9,465 |
| 13 | Hamilton County | 7,679 |
| 14 | Story County | 6,982 |
| 15 | Polk County | 6,537 |
| 16 | Polk County | 5,009 |
| 17 | Hardin County | 4,973 |
| 18 | Story County | 4,741 |
| 19 | Story County | 3,403 |
| 20 | Boone County | 2,798 |
| 21 | Polk County | 2,760 |
| 22 | Polk County | 2,661 |
| 23 | Hardin County | 2,568 |
| 24 | Jasper County | 2,265 |
| 25 | Dallas County | 2,142 |
| 26 | Dallas County | 1,985 |
| 27 | Jasper County | 1,717 |
| 28 | Story County | 1,619 |
| 29 | Hardin County | 1,519 |
| 30 | Marshall County | 1,390 |
| 31 | Story County | 1,372 |
| 32 | Dallas County | 1,367 |
| 33 | Story County | 1,352 |
| 34 | Hamilton County | 1,174 |
| 35 | Polk County | 1,090 |
| 36 | Jasper County | 978 |
| 37 | Story County | 852 |
| 38 | Story County | 840 |
| 39 | Hardin County | 829 |
| 40 | Story County | 828 |
| 41 | Marshall County | 761 |
| 42 | Hardin County | 730 |
| 43 | Hamilton County | 676 |
| 44 | Hardin County | 535 |
| 45 | Story County | 495 |
| 46 | Story County | 492 |
| 47 | Hamilton County | 487 |
| 48 | Polk County | 434 |
| 49 | Hardin County | 377 |
| 50 | Webster County | 367 |
| 51 | Hardin County | 355 |
| 52 | Hamilton County | 349 |
| 53 | Jasper County | 316 |
| 54 | Polk County | 315 |
| 55 | Story County | 309 |
| 56 | Hamilton County | 295 |
| 57 | Marshall County | 290 |
| 58 | Marshall County | 269 |
| 59 | Hardin County | 259 |
| 60 | Hardin County | 228 |
| 61 | Hamilton County | 176 |
| 62 | Hamilton County | 174 |
| 63 | Jasper County | 168 |
| 64 | Jasper County | 156 |
| 65 | Hamilton County | 153 |
| 66 | Hardin County | 148 |
| 67 | Boone County | 144 |
| 68 | Wright County | 139 |
| 69 | Marshall County | 132 |
| 70 | Boone County | 102 |
| 71 | Hardin County | 97 |
| 72 | Hardin County | 81 |
| 73 | Marshall County | 76 |
| 74 | Jasper County | 39 |
| 75 | Franklin County | 29 |