U.S. Representative Joseph Duncan was elected by a majority of the voters.

Governor William Kinney and former state treasurer Robert K. McLaughlin.

Duncan was a member of the Democratic Party for most of his early career, but fell out with party leader and President Andrew Jackson during Jackson's first term.

[1] He did not announce his change in party affiliation publicly, allowing his votes against Jackson in Congress to relay the message, but news of Duncan's change in affiliation did not reach most Illinois voters and politicians until after the election, resulting in Duncan's nomination and election as a Democrat.

[1] This was the only election of a Whig Governor in Illinois history, albeit by accident on the part of voters.