The 1878 Minnesota State Auditor election was held on 5 November 1878 in order to elect the state auditor of Minnesota. Republican nominee and incumbent state auditor Orlan P. Whitcomb defeated Democratic nominee and former Mayor of Stillwater Mahlon Black, Greenback nominee Orin H. Page and Prohibition nominee Theodore G. Carter.
General election.
On election day, 5 November 1878, Republican nominee Orlan P. Whitcomb won re-election by a margin of 19,940 votes against his foremost opponent Democratic nominee Mahlon Black, thereby retaining Republican control over the office of state auditor. Whitcomb was sworn in for his third term on 7 January 1879.
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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