Colorado Issue 1 (1974) was a initiated constitutional amendment, regarding annexation and removal of territory on the county level, on the November, 1974 election ballot in Colorado, where it was approved.
| Colorado Issue 1 (1974)|
| Yes|| 409,174|| 58.4%|
Election Results via: The Colorado Legislative Council
Text of measure
The language that appeared on the ballot:
|| 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 and County, and prohibiting the striking off of any territory from a County without first submitting the question to a vote of the qualified electors of the County and without an affirmative vote of the majority of those electors.