Carlin: 50-60% 60-70% 70-80% 80-90% 90-100%

Edwards: 50-60% 60-70% 70-80% 80-90%

Unknown/No Vote: Joseph Duncan Whig Thomas Carlin Democratic The 1838 Illinois gubernatorial election was the sixth quadrennial election for this office.

Democrat Thomas Carlin was elected by a bare majority of the voters in a close election.

He defeated Cyrus Edwards, the brother of former governor Ninian Edwards for the office.