| Colorado Territory's at-large congressional district | |
|---|---|
| Obsolete district | |
| Created | 1861, as a non-voting delegate was granted by Congress |
| Eliminated | 1876, as a result of statehood |
| Years active | 1861–1876 |
The Territory of Colorado was represented by one non-voting delegate at-large to the United States House of Representatives from its organization in 1861, until statehood in 1876.