16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 58201 | Grand Forks | 42,003 |
| 58203 | Grand Forks | 16,308 |
| 58202 | Grand Forks | 3,035 |
| 58278 | Thompson | 2,116 |
| 58251 | Larimore | 1,955 |
| 58204 | Grand Forks Afb | 1,879 |
| 58267 | Northwood | 1,483 |
| 58275 | Reynolds | 812 |
| 58256 | Manvel | 801 |
| 58228 | Emerado | 687 |
| 58235 | Gilby | 609 |
| 58214 | Arvilla | 363 |
| 58258 | Mekinock | 269 |
| 58205 | Grand Forks Afb | 193 |
| 58266 | Niagara | 78 |
| 58244 | Inkster | 42 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Grand Forks County, North Dakota (US Census).