5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 55008 | Cambridge | 16,091 |
| 55040 | Isanti | 14,451 |
| 55080 | Stanchfield | 3,281 |
| 55017 | Dalbo | 971 |
| 55029 | Grandy | 27 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Isanti County, Minnesota (US Census).