Founded in February 7, 1919, Garfield County is one of 56 counties in the state of Montana. Historically, Garfield County was formed from Dawson County. The city of Jordan is the county seat. With FIPS code of 33, Garfield County has a population of 1,209 and area of 4,668 square miles (12,090 km2).
List of all cities in Garfield County, MT alphabetically
| City/Town | Postal Code | Area Code |
| Brusett, MT | 59318 | 406 |
| Cohagen, MT | 59322 | 406 |
| Jordan, MT | 59337 | 406 |
| Mosby, MT | 59058 | 406 |
| Sand Springs, MT | 59077 | 406 |