7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 51360 | Spirit Lake | 8,533 |
| 51351 | Milford | 4,812 |
| 51347 | Lake Park | 1,621 |
| 51331 | Arnolds Park | 1,017 |
| 51355 | Okoboji | 877 |
| 51364 | Terril | 708 |
| 51363 | Superior | 143 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Dickinson County, Iowa (US Census).