Founded in February 7, 1905, Sanders County is one of 56 counties in the state of Montana. Historically, Sanders County was formed from Missoula County. The city of Thompson Falls is the county seat. With FIPS code of 89, Sanders County has a population of 12,959 and area of 2,762 square miles (7,154 km2).
List of all cities in Sanders County, MT alphabetically
| City/Town | Postal Code | Area Code |
| Copper King, MT | 59873 | 406 |
| Dixon, MT | 59831 | 406 |
| Heron, MT | 59844 | 406 |
| Hot Springs, MT | 59845 | 406 |
| 59848 | 406 | |
| Lonepine, MT | 59848 | 406 |
| Niarada, MT | 59845 | 406 |
| Noxon, MT | 59853 | 406 |
| Paradise, MT | 59856 | 406 |
| Plains, MT | 59859 | 406 |
| Snider, MT | 59873 | 406 |
| Thompson Falls, MT | 59873 | 406 |
| Trout Creek, MT | 59874 | 406 |