The 1840 Missouri lieutenant gubernatorial election was held on August 3, 1840, in order to elect the lieutenant governor of Missouri. Democratic nominee Meredith Marmaduke won the election as he ran unopposed. The exact results of the election are unknown.
On election day, August 3, 1840, Democratic nominee Meredith Marmaduke won the election as he ran unopposed, thereby retaining Democratic control over the office of lieutenant governor. Marmaduke was sworn in as the 6th lieutenant governor of Missouri on November 16, 1840.[1]
