Francis S. Lorenz Democratic Joseph D. Lohman Democratic Incumbent Treasurer, Republican Elmer J. Hoffman, did not seek reelection, instead running successfully for Illinois's 14th congressional district.

Democrat Joseph D. Lohman was elected to succeed him, defeating former two-term Illinois Treasurer, Republican Warren Wright.

[1] On September 2, 1958, a special election was held for a vacant seat on the 12th Judicial Circuit.

[4] In order to be approved, legislatively referred state statues required the support of a majority of those voting on the statute.

[1] In order to be placed on the ballot, proposed legislatively referred constitutional amendments needed to be approved by two-thirds of each house of the Illinois General Assembly.

The amendment would have permitted county sheriffs and treasurers to be elected to successive terms.

[7] on measure Illinois General Banking Law Amendment was approved by voters as a legislatively referred state statute.