| Zip Code | City | Population ↓ |
|---|---|---|
| 55744 | Grand Rapids | 20,207 |
| 56636 | Deer River | 4,938 |
| 55709 | Bovey | 4,414 |
| 55721 | Cohasset | 3,860 |
| 55769 | Nashwauk | 2,378 |
| 56628 | Bigfork | 1,543 |
| 55775 | Pengilly | 1,369 |
| 55753 | Keewatin | 1,160 |
| 55722 | Coleraine | 947 |
| 55781 | Side Lake | 822 |
| 55793 | Warba | 637 |
| 55764 | Marble | 545 |
| 56639 | Effie | 368 |
| 55716 | Calumet | 266 |
| 56681 | Squaw Lake | 258 |
| 56657 | Marcell | 194 |
| 55742 | Goodland | 191 |
| 55786 | Taconite | 183 |
| 56659 | Max | 173 |
| 56637 | Talmoon | 168 |
| 55784 | Swan River | 119 |
| 56680 | Spring Lake | 113 |
| 56688 | Wirt | 113 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 23 ZCTAs in Itasca County, Minnesota (US Census).