List of United States senators from Colorado

was admitted to the Union on August 1, 1876 and elects U.S. senators to Senate class 2 and class 3.
Both of Colorado's current U.S. senators are Democrats Michael Bennet and John Hickenlooper. Colorado is one of sixteen states alongside California, Delaware, Georgia, Hawaii, Idaho, Louisiana, Maine, Massachusetts, Minnesota, Missouri, Nevada, Pennsylvania, South Dakota, Utah, and West Virginia, to have a younger senior senator and an older junior senator.
Henry M. Teller was Colorado's longest-serving senator.

List of senators

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