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States
Parties
Seniority
Age
Gender
Generations
Classes
Printable List
Colorado (CO)
U.S. Senate Delegation
Joined the Union
August 1, 1876
Population (Est.)
5,877,610
Current U.S. Senators
Senior Senator
John Hickenlooper
Democrat
Class II
Next Election: 2026
Junior Senator
Michael Bennet
Democrat
Class III
Next Election: 2028