16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 58201 | Grand Forks | 42,353 |
| 58203 | Grand Forks | 16,280 |
| 58202 | Grand Forks | 2,976 |
| 58251 | Larimore | 1,941 |
| 58278 | Thompson | 1,882 |
| 58204 | Grand Forks Afb | 1,860 |
| 58267 | Northwood | 1,426 |
| 58256 | Manvel | 824 |
| 58275 | Reynolds | 796 |
| 58228 | Emerado | 716 |
| 58235 | Gilby | 577 |
| 58214 | Arvilla | 418 |
| 58258 | Mekinock | 263 |
| 58205 | Grand Forks Afb | 253 |
| 58266 | Niagara | 157 |
| 58244 | Inkster | 43 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Grand Forks County, North Dakota (US Census).