| Community | Population | Elevation |
|---|---|---|
| Ames | 56,510 | 941 ft. |
| Burlington | 25,327 | 606 ft. |
| Cedar Rapids | 128,056 | 810 ft. |
| Clinton | 26,407 | 587 ft. |
| Council Bluffs | 59,536 | 987 ft. |
| Davenport | 100,827 | 590 ft. |
| Decorah | 7,906 | 879 ft. |
| Des Moines | 197,052 | 872 ft. |
| Dubuque | 57,250 | 620 ft. |
| Iowa City | 67,831 | 669 ft. |
| Marshalltown | 25,850 | 941 ft. |
| Mason City | 27,337 | 1,128 ft. |
| Mount Pleasant | 8,775 | 715 ft. |
| Newton | 15,042 | 951 ft. |
| Oelwein | 6,082 | 1,046 ft. |
| Red Oak | 5,683 | 1,049 ft. |