20 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 52722 | Bettendorf | 40,878 |
| 52806 | Davenport | 27,695 |
| 52804 | Davenport | 27,023 |
| 52803 | Davenport | 21,868 |
| 52807 | Davenport | 15,895 |
| 52748 | Eldridge | 9,890 |
| 52802 | Davenport | 9,392 |
| 52753 | Le Claire | 6,111 |
| 52726 | Blue Grass | 4,941 |
| 52773 | Walcott | 2,668 |
| 52756 | Long Grove | 1,693 |
| 52801 | Davenport | 1,670 |
| 52768 | Princeton | 1,260 |
| 52746 | Donahue | 1,198 |
| 52728 | Buffalo | 987 |
| 52769 | Stockton | 673 |
| 52765 | New Liberty | 441 |
| 52745 | Dixon | 435 |
| 52767 | Pleasant Valley | 287 |
| 52758 | McCausland | 265 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 20 ZCTAs in Scott County, Iowa (US Census).