6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 58854 | Watford City | 9,345 |
| 58831 | Alexander | 1,100 |
| 58835 | Arnegard | 1,003 |
| 58838 | Cartwright | 306 |
| 58634 | Grassy Butte | 230 |
| 58847 | Keene | 226 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in McKenzie County, North Dakota (US Census).