Founded in February 20, 1919, McCone County is one of 56 counties in the state of Montana. Historically, McCone County was formed from Dawson County and Richland County. The city of Circle is the county seat. With FIPS code of 55, McCone County has a population of 1,718 and area of 2,643 square miles (6,845 km2).
List of all cities in McCone County, MT alphabetically
| City/Town | Postal Code | Area Code |
| Brockway, MT | 59214 | 406 |
| Circle, MT | 59215 | 406 |
| Vida, MT | 59274 | 406 |