| Montana Territory's at-large congressional district | |
|---|---|
| Obsolete district | |
| Created | 1864, as a non-voting delegate was granted by Congress |
| Eliminated | 1889, as a result of statehood |
| Years active | 1864–1889 |
Montana Territory's at-large congressional district is an obsolete congressional district that encompassed the area of the Montana Territory, which was split off from the Idaho Territory in 1864. After Montana's admission to the Union as the 41st state by act of Congress on November 8, 1889, this district was dissolved and replaced by Montana's at-large congressional district.