Colorado Official State Language Amendment, Initiative 1 (1988) was an initiated constitutional amendment, regarding the establishment of english as the official language of the state, on the November 8, 1988 election ballot in Colorado, where it was approved.
| Initiative 1|
| Yes|| 829,617|| 61.2%|
Election Results from: State Legislative Council, Ballot History
Text of measure
Language on the ballot:
|| Shall there be an amendment to the Colorado Constitution to declare that the English language is the official language of the State of Colorado?