Founded in March 9, 1909, Lincoln County is one of 56 counties in the state of Montana. Historically, Lincoln County was formed from Flathead County. The city of Libby is the county seat. With FIPS code of 53, Lincoln County has a population of 20,525 and area of 3,613 square miles (9,358 km2).
List of all cities in Lincoln County, MT alphabetically
| City/Town | Postal Code | Area Code |
| Eureka, MT | 59917 | 406 |
| Fortine, MT | 59918 | 406 |
| Libby, MT | 59923 | 406 |
| Rexford, MT | 59930 | 406 |
| Stryker, MT | 59933 | 406 |
| Trego, MT | 59934 | 406 |
| Troy, MT | 59935 | 406 |
| Yaak, MT | 59935 | 406 |