25 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 58103 | Fargo | 48,520 |
| 58104 | Fargo | 47,481 |
| 58078 | West Fargo | 39,946 |
| 58102 | Fargo | 32,591 |
| 58047 | Horace | 5,136 |
| 58012 | Casselton | 2,805 |
| 58105 | Fargo | 2,669 |
| 58051 | Kindred | 1,654 |
| 58059 | Mapleton | 1,625 |
| 58042 | Harwood | 1,391 |
| 58005 | Argusville | 779 |
| 58021 | Davenport | 528 |
| 58006 | Arthur | 512 |
| 58011 | Buffalo | 507 |
| 58079 | Wheatland | 503 |
| 58052 | Leonard | 496 |
| 58071 | Tower City | 482 |
| 58048 | Hunter | 478 |
| 58064 | Page | 444 |
| 58031 | Fingal | 327 |
| 58036 | Gardner | 302 |
| 58004 | Amenia | 282 |
| 58029 | Erie | 71 |
| 58007 | Ayr | 63 |
| 58002 | Absaraka | 25 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 25 ZCTAs in Cass County, North Dakota (US Census).