8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 58554 | Mandan | 29,175 |
| 58563 | New Salem | 1,850 |
| 58638 | Hebron | 949 |
| 58631 | Glen Ullin | 948 |
| 58570 | Solen | 489 |
| 58535 | Flasher | 435 |
| 58520 | Almont | 284 |
| 58566 | Saint Anthony | 270 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Morton County, North Dakota (US Census).