Overview and History of Statewide Ballot Measures in Colorado

This memorandum provides an overview of the statewide ballot measure process; a summary of the measures approved or rejected by Colorado voters between 1880 and 2023; and links to additional resources at the offices of the Colorado Legislative Council Staff and the Colorado Secretary of State. This memorandum provides an overview of the statewide ballot measure process; a summary of the measures approved or rejected by Colorado voters between 1880 and 2023; and links to additional resources at the offices of the Colorado Legislative Council Staff and the Colorado Secretary of State.