The 1834 Illinois gubernatorial election was the fifth quadrennial election for this office. U.S. Representative Joseph Duncan was elected by a majority of the voters. He defeated former Lt. Governor William Kinney and former state treasurer Robert K. McLaughlin. Kinney had run in the election before as well. This was the only election of a Whig Governor in Illinois history.

1834 Illinois gubernatorial election

← 1830 August 4, 1834 1838 →

Nominee Joseph Duncan William Kinney Robert K. McLaughlin Party Whig Democratic Independent Popular vote 17,349 10,229 4,315 Percentage 52.93% 31.21% 13.16%

County Results Duncan:      40-50%      50-60%      60-70%      70-80%      80-90%      90-100% Ewing:      40-50%      50-60%      60-70%      70-80% McLaughlin:      40-50%      50-60%      60-70%      70-80%      80-90% Unknown/No Vote:

Governor before election William Lee D. Ewing Democratic Elected Governor Joseph Duncan Whig