Founded in 1879, Marshall County is one of 87 counties in the state of Minnesota. Historically, Marshall County was formed from Kittson County. The city of Warren is the county seat. With FIPS code of 89, Marshall County has a population of 8,988 and area of 1,772.24 square miles (4,590 km2).
List of all cities in Marshall County, MN alphabetically
| City/Town | Postal Code | Area Code |
| Alvarado, MN | 56710 | 218 |
| Angus, MN | 56762 | 218 |
| Argyle, MN | 56713 | 218 |
| Florian, MN | 56758 | 218 |
| Gatzke, MN | 56724 | 218 |
| Grygla, MN | 56727 | 218 |
| Holt, MN | 56738 | 218 |
| Middle River, MN | 56737 | 218 |
| Newfolden, MN | 56738 | 218 |
| Oslo, MN | 56744 | 218 |
| Radium, MN | 56762 | 218 |
| Stephen, MN | 56757 | 218 |
| Strandquist, MN | 56758 | 218 |
| Viking, MN | 56760 | 218 |
| Warren, MN | 56762 | 218 |