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Staff Publications

Overview and History of Statewide Ballot Measures

Subjects
Elections & Redistricting
State Government
Published
12/16/2021

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 2021; and links to additional resources at the offices of the Colorado Legislative Council Staff and the Colorado Secretary of State.

August 2024 Special Session Deadlines and Guidelines are available here

The effective date for bills enacted without a safety clause is August 7, 2024, if the General Assembly adjourns sine die on May 8, 2024, unless otherwise specified. Details