| | | | Short Title | | Yes | | No | | Outcome | | Type of Change | |
| | 10 | | An Amendment adding a new Section 21 to Article X of the Constitution of the State of Colorado, requiring registered elector approval of all | | 25% | | 74% | | Rejected | | Constitutional | |
| | 3 | | An Amendment to Article XVIII of the Colorado Constitution requiring approval by two thirds of each House of the General Assembly prior to a | | 29% | | 70% | | Rejected | | Constitutional | |
| | 6 | | An Act to repeal Section 29 of Article II of the Constitution of the State of Colorado, which section provides for equality of rights under | | 38% | | 61% | | Rejected | | Constitutional | |
| | 7 | | An Act to exempt food and food products, with certain exceptions, from state sales and use taxes and repeal the food sales tax credit, to re | | 38% | | 61% | | Rejected | | Statutory | |
| | 8 | | An Act to require a minimum deposit refund value for beverage containers for malt liquor, including beer, and carbonated soft drinks manufac | | 33% | | 66% | | Rejected | | Statutory | |
| | 9 | | An Act to protect and represent consumers of public utilities services by creating a Department of Public Counselor, and concerning financia | | 29% | | 70% | | Rejected | | Statutory | |
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| Referendum |
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| 1972 |
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| | 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 | |
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| 1970 |
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| 1966 |
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| 1962 |
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| 1958 |
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| 1954 |
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| 1950 |
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