| | | | Short Title | | Yes | | No | | Outcome | | Type of Change | |
| 1974 |
| |
|
| |
| | 1 | | An act to amend Articles XIV and XX of the Constitution of the State of Colorado, concerning the annexation of property by a County or City | | 58% | | 41% | | Adopted | | Constitutional | |
| | 10 | | An act to amend the Constitution of the State of Colorado, to establish procedural steps to be complied with prior to the detonation of nucl | | 57% | | 42% | | Adopted | | Constitutional | |
| | 8 | | An amendment to section 8 article IX of the Constitution of the State of Colorado, to prohibit the assignment or the transportation of pupil | | 68% | | 31% | | Adopted | | Constitutional | |
| | 9 | | An act to amend Article V of the Constitution of the State of Colorado, concerning the reapportioning of legislative districts by a body to | | 60% | | 39% | | Adopted | | Constitutional | |
|
| Referendum |
| |
| | 2 | | Shall the death penalty be imposed upon persons convicted of class 1 felonies where certain mitigating circumstances are not present and cer | | 61% | | 38% | | Adopted | | Statutory | |
| | 3 | | An amendment to section 12 of article X of the Constitution of the State of Colorado, relating to state moneys and reports of the State Trea | | 63% | | 36% | | Adopted | | Constitutional | |
| | 4 | | An amendment to Section 2 of Article XI of the Constitution of the State of Colorado, concerning the supplying of energy and providing that | | 82% | | 17% | | Adopted | | Constitutional | |
| | 5 | | An amendment to Article XX of the Constitution of the State of Colorado, concerning the modernization of annexation and consolidation procee | | 61% | | 38% | | Adopted | | Constitutional | |
| | 6 | | An amendment to Articles IV, V, and XII of the Constitution of the State of Colorado, concerning the revision of functions and procedures of | | 59% | | 40% | | Adopted | | Constitutional | |
| | 7 | | An amendment to Article X of the Constitution of the State of Colorado, removing the proceeds of the motor fuel tax on aviation fuel from th | | 56% | | 43% | | Adopted | | Constitutional | |
| |
|
| Initiative |
| |
| | 10 | | An Act to protect the consumer of public utility services by defining just and reasonable rates, by creating an Office of Public Consumer Co | | 42% | | 57% | | Rejected | | Statutory | |
| | 11 | | An Act to Amend Chapter 13, C.R.S. 1963, as Amended, by adding a new Article 25 establishing a system of compulsory insurance and compensati | | 25% | | 74% | | Rejected | | Statutory | |
| | 12 | | An Act to Amend the State Constitution by the addition of a new Article, concerning replacement of property taxes for the financing of schoo | | 21% | | 78% | | Rejected | | Constitutional | |
| | 6 | | An act to Amend the Constitution of the State of Colorado, to provide for a privately operated lottery, supervised and regulated by the Depa | | 19% | | 80% | | Rejected | | Constitutional | |
| | 7 | | An amendment to Section II of Article X of the Constitution of the State of Colorado, concerning the general property tax, establishing a ma | | 23% | | 76% | | Rejected | | Constitutional | |
| | 8 | | An Act to Amend Articles X and XI of the State Constitution to prohibit the State from levying taxes and appropriating or loaning funds for | | 59% | | 40% | | Adopted | | Constitutional | |
| | 9 | | An Act to Amend Chapters 3 and 63, C.R.S. 1963, as amended, by adding three new Articles which require, first that public officials disclose | | 60% | | 39% | | Adopted | | Statutory | |
|
| Referendum |
| |
| | 1 | | Authorizing the conduct of sweepstakes races. | | 49% | | 50% | | Rejected | | Statutory | |
| | 2 | | An Amendment to Article XI of the Constitution of the State of Colorado, providing for a student loan program and the enactment of laws ther | | 54% | | 45% | | Adopted | | Constitutional | |
| | 3 | | An Amendment to Article II of the Constitution of the State of Colorado, relating to equality of rights of the sexes. | | 64% | | 35% | | Adopted | | Constitutional | |
| | 4 | | An Amendment to Articles VIII and IX of the Constitution of the State of Colorado, concerning the state institutions of higher education, an | | 51% | | 48% | | Adopted | | Constitutional | |
| | 5 | | An Amendment to Article V of the Constitution of the State of Colorado, removing the prohibition against increasing or decreasing compensati | | 29% | | 70% | | Rejected | | Constitutional | |
| 1970 |
| |
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