Founded in 1906, Koochiching County is one of 87 counties in the state of Minnesota. Historically, Koochiching County was formed from Itasca County. The city of International Falls is the county seat. With FIPS code of 71, Koochiching County has a population of 11,941 and area of 3,102.36 square miles (8,035 km2).
List of all cities in Koochiching County, MN alphabetically
| City/Town | Postal Code | Area Code |
| Ardenhurst, MN | 56661 | 218 |
| Bergville, MN | 56661 | 218 |
| Big Falls, MN | 56627 | 218 |
| Birchdale, MN | 56629 | 218 |
| Black River, MN | 56654 | 218 |
| Dora Lake, MN | 56661 | 218 |
| Forest Grove, MN | 56660 | 218 |
| Gemmell, MN | 56660 | 218 |
| Grand Falls, MN | 56627 | 218 |
| Grattan, MN | 56661 | 218 |
| Happyland, MN | 56653 | 218 |
| Indus, MN | 56629 | 218 |
| International Falls, MN | 56649 | 218 |
| Intl Falls, MN | 56649 | 218 |
| Kabetogama, MN | 56669 | 218 |
| Kinghurst, MN | 56661 | 218 |
| Lindford, MN | 56653 | 218 |
| Littlefork, MN | 56653 | 218 |
| Loman, MN | 56654 | 218 |
| Manitou, MN | 56629 | 218 |
| Margie, MN | 56658 | 218 |
| Mizpah, MN | 56660 | 218 |
| Mozeppa, MN | 56660 | 218 |
| Nett River, MN | 56627 | 218 |
| Nore, MN | 56661 | 218 |
| Northome, MN | 56661 | 218 |
| Ranier, MN | 56668 | 218 |
| Ray, MN | 56669 | 218 |
| Shooks, MN | 56661 | 218 |
| South International Falls, MN | 56679 | 218 |
| Wildwood, MN | 56661 | 218 |