Zip Code | City | Population |
|---|---|---|
| 52722 | Bettendorf | 40,639 |
| 52806 | Davenport | 27,733 |
| 52804 | Davenport | 26,812 |
| 52803 | Davenport | 21,558 |
| 52807 | Davenport | 16,806 |
| 52748 | Eldridge | 9,737 |
| 52802 | Davenport | 9,557 |
| 52753 | Le Claire | 6,108 |
| 52726 | Blue Grass | 5,113 |
| 52773 | Walcott | 2,638 |
| 52801 | Davenport | 1,598 |
| 52756 | Long Grove | 1,505 |
| 52768 | Princeton | 1,288 |
| 52746 | Donahue | 1,236 |
| 52728 | Buffalo | 888 |
| 52769 | Stockton | 522 |
| 52745 | Dixon | 461 |
| 52767 | Pleasant Valley | 394 |
| 52765 | New Liberty | 360 |
| 52758 | McCausland | 266 |