13 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 56472 | Pequot Lakes | 8,830 |
| 56633 | Cass Lake | 4,802 |
| 56474 | Pine River | 4,475 |
| 56473 | Pillager | 3,518 |
| 56466 | Motley | 3,284 |
| 56484 | Walker | 3,252 |
| 56435 | Backus | 2,801 |
| 56672 | Remer | 2,052 |
| 56452 | Hackensack | 1,936 |
| 56655 | Longville | 1,351 |
| 56662 | Outing | 624 |
| 56641 | Federal Dam | 339 |
| 56626 | Bena | 254 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 13 ZCTAs in Cass County, Minnesota (US Census).