Treasurer Incumbent
Treasurer John C. Martin, a Democrat serving his second nonconsecutive term, did not seek reelection, instead opting to run for United States congress. Democrat
Louie E. Lewis was elected to succeed him.
Democratic primary Republican primary Incumbent congressman
William G. Stratton won the Republican nomination.
General election Superintendent of Public Instruction Incumbent first-term
Superintendent of Public Instruction John A. Wieland, a Democrat, won reelection.
Democratic primary Republican primary General election Clerk of the Supreme Court Incumbent first-term Clerk of the
Supreme Court, Democrat
Adam F. Bloch, was reelected.
Democratic primary Republican primary General election State Senate Seats in the
Illinois Senate were up for election in 1938. Democrats retained control of the chamber.
State House of Representatives Seats in the
Illinois House of Representatives were up for election in 1938. Republicans flipped control of the chamber.
Trustees of University of Illinois An election was held for three of nine seats for Trustees of
University of Illinois. All three Democratic nominees won.
Illinois Banking Amendment The Illinois Banking Amendment, a proposed legislatively referred constitutional amendment to Sections 5, 6, 7 and 8, of Article XI of the 1870
Illinois Constitution, failed to meet the threshold for approval. In order to be approved, legislatively referred constitutional amendments required approval equal to a majority of voters voting in the entire general election. If approved, this amendment would have made modifications to state banking rules that would have reduced the liability of bank
stockholders. ==Local elections==