Founded in November 16, 1867, Meagher County is one of 56 counties in the state of Montana. Historically, Meagher County was formed from Chouteau County and Gallatin County. The city of White Sulphur Springs is the county seat. With FIPS code of 59, Meagher County has a population of 1,964 and area of 2,392 square miles (6,195 km2).
List of all cities in Meagher County, MT alphabetically
| City/Town | Postal Code | Area Code |
| Lennep, MT | 59053 | 406 |
| Martinsdale, MT | 59053 | 406 |
| Ringling, MT | 59642 | 406 |
| White Sulphur Springs, MT | 59645 | 406 |
| Wht Sphr Springs, MT | 59645 | 406 |