The 1980 Missouri State Treasurer election was held on 4 November 1980 in order to elect the state treasurer of Missouri. Democratic nominee and former member of the Missouri House of Representatives Mel Carnahan defeated Republican nominee Gerald E. Winship.
General election.
On election day, 4 November 1980, Democratic nominee Mel Carnahan won the election by a margin of 463,408 votes against his opponent Republican nominee Gerald E. Winship, thereby retaining Democratic control over the office of state treasurer. Carnahan was sworn in as the 40th state treasurer of Missouri on 13 January 1981.
Results.
! scope="col" colspan="2" style="width: 15em" |Party
! scope="col" style="width: 17em" |Candidate
! scope="col" style="width: 5em" |Votes
! scope="col" style="width: 3.5em" |%
! colspan="3" style="text-align:right;" | Total votes
References.
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