Founded in 1857, Aitkin County is one of 87 counties in the state of Minnesota. Historically, Aitkin County was formed from Pine County and Ramsey County. The city of Aitkin is the county seat. With FIPS code of 1, Aitkin County has a population of 15,887 and area of 1,819.30 square miles (4,712 km2).
List of all cities in Aitkin County, MN alphabetically
| City/Town | Postal Code | Area Code |
| Aitkin, MN | 56431 | 218 |
| Balsam, MN | 55787 | 218 |
| Clark, MN | 55787 | 218 |
| East Lake, MN | 55760 | 218 |
| Haugen, MN | 55787 | 218 |
| Haypoint, MN | 55748 | 218 |
| Hill City, MN | 55748 | 218 |
| Jevne, MN | 55760 | 218 |
| Lawler, MN | 55760 | 218 |
| Libby, MN | 56469 | 218 |
| Logan, MN | 56469 | 218 |
| Mc Grath, MN | 56350 | 320 |
| McGregor, MN | 55760 | 218 |
| Minnewana, MN | 55760 | 218 |
| Morrison, MN | 56469 | 218 |
| Palisade, MN | 56469 | 218 |
| Rice River, MN | 55760 | 218 |
| Salo, MN | 55760 | 218 |
| Shamrock, MN | 55760 | 218 |
| Sheshebee, MN | 55760 | 218 |
| Spalding, MN | 55760 | 218 |
| Tamarack, MN | 55787 | 218 |
| Turner, MN | 55760 | 218 |
| Verdon, MN | 56469 | 218 |
| Waukenabo, MN | 56469 | 218 |
| Workman, MN | 56469 | 218 |