Representatives seats. Members of Congress U.S. Senate U.S. House of Representatives Statewide offices Legislative leadership President of the Senate: Steve Fenberg Senate Majority Leader: Dominick Moreno Speaker of the House: Julie McCluskie House Majority Leader: Monica Duran Municipal The following Democrats hold prominent mayoralties in Colorado: Denver: Michael Hancock Fort Collins: Jennifer Arndt Boulder: Aaron Brockett Election results Presidential Gubernatorial See also Buie Seawell, former CDP chair Colorado Republican Party Political party strength in Colorado Politics of Colorado Elections in Colorado Government of Colorado References Further reading External links Colorado Democratic Party Democratic Party (United States) by state Politics of Colorado Democratic