13 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 56472 | Pequot Lakes | 8,764 |
| 56633 | Cass Lake | 4,863 |
| 56474 | Pine River | 4,471 |
| 56473 | Pillager | 3,452 |
| 56484 | Walker | 3,252 |
| 56466 | Motley | 3,126 |
| 56435 | Backus | 2,912 |
| 56672 | Remer | 1,955 |
| 56452 | Hackensack | 1,913 |
| 56655 | Longville | 1,328 |
| 56662 | Outing | 574 |
| 56641 | Federal Dam | 359 |
| 56626 | Bena | 251 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 13 ZCTAs in Cass County, Minnesota (US Census).