One statewide ballot measure
appeared on the November 1, 2011 statewide ballot
The signature filing deadline for the 2011 ballot in Colorado was August 1, 2011. A minimum of 85,854 signatures were required for both initiated constitutional amendments and initiated state statutes.
The Colorado General Assembly was in session January 12-May 11. Referrals to the ballot could have been made anytime during that period, but were not.
On the ballot
- See also: 2011 ballot measures
Not on the ballot
- See also: Proposed ballot measures that were not on a ballot
Local ballot measures
- See also: Local ballot measure elections in 2011