| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Chaney | city | Iowa | United States | 41.79472 | -90.28444 | 593 | 10894 |
| Chapel Hill historical | city | Iowa | United States | 41.49222 | -90.64722 | 590 | 29337 |
| Chapin | city | Iowa | United States | 42.83361 | -93.22194 | 1151 | 591 |
| Chariton | city | Iowa | United States | 41.01389 | -93.30639 | 1017 | 4994 |
| Charles City | city | Iowa | United States | 43.06639 | -92.67222 | 1000 | 8053 |
| Charleston | city | Iowa | United States | 40.59083 | -91.53111 | 705 | 1023 |
| Charlotte | city | Iowa | United States | 41.96028 | -90.465 | 698 | 801 |
| Charter Oak | city | Iowa | United States | 42.06833 | -95.59139 | 1312 | 579 |
| Chatsworth | city | Iowa | United States | 42.91611 | -96.51611 | 1184 | 822 |
| Chautauqua | city | Iowa | United States | 41.29083 | -95.79333 | 1046 | 35017 |
| Chelsea | city | Iowa | United States | 41.91917 | -92.39444 | 787 | 593 |
| Cheney | city | Iowa | United States | 42.25417 | -91.92722 | 931 | 866 |
| Chequest | city | Iowa | United States | 40.82833 | -92.24556 | 767 | 706 |
| Cherokee | city | Iowa | United States | 42.74944 | -95.55139 | 1177 | 4870 |
| Chester | city | Iowa | United States | 43.49111 | -92.36028 | 1230 | 611 |
| Chickasaw | city | Iowa | United States | 43.03389 | -92.495 | 1066 | 795 |
| Chillicothe | city | Iowa | United States | 41.08556 | -92.52917 | 698 | 1132 |
| Church | city | Iowa | United States | 43.35222 | -91.33889 | 1092 | 592 |
| Churchville | city | Iowa | United States | 41.39667 | -93.75083 | 954 | 1462 |
| Churdan | city | Iowa | United States | 42.15194 | -94.47417 | 1148 | 931 |
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