2018Final results
2018 election for Illinois Treasurer
Treasurer · Illinois
Mike Frerichs (D) won with 57.6% of the vote, defeating Jim Dodge (R) by 18.7 points.
Mike FrerichsDemocrat · winner
57.6%2,593,816
Jim DodgeRepublican
38.9%1,750,897
Michael LeheneyLibertarian
3.4%155,256
Mary Arline Vann-MetcalfOther party
0.0%2
4,501,138 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:26 PM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:26 PM ET
The candidates
Mike Frerichs (D)Jim Dodge (R)
Also on the ballot: Michael Leheney (Libertarian), 3.4%; Mary Arline Vann-Metcalf (Other party), 0.0%