The 1818 Illinois lieutenant gubernatorial election was held on 17 September 1818 in order to elect the first lieutenant governor of Illinois upon Illinois acquiring statehood on 3 December 1818. Democratic-Republican candidate Pierre Menard defeated fellow Democratic-Republican candidates William L. Reynolds and Edward N. Cullom.
General election.
On election day, 17 September 1818, Democratic-Republican candidate Pierre Menard won the election by a margin of 1,219 votes against his foremost opponent and fellow Democratic-Republican candidate William L. Reynolds, thereby gaining Democratic-Republican control over the office of lieutenant governor. Menard was sworn in as the 1st lieutenant governor of Illinois on 6 October 1818.
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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