| Zip Code | City | Population ↓ |
|---|---|---|
| 58854 | Watford City | 9,173 |
| 58831 | Alexander | 1,133 |
| 58835 | Arnegard | 904 |
| 58634 | Grassy Butte | 318 |
| 58838 | Cartwright | 309 |
| 58847 | Keene | 293 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in McKenzie County, North Dakota (US Census).