2018Final results
2018 election for Illinois Legislative District 38
Illinois State Senate · Illinois
Sue Rezin (R) won with 59.4% of the vote, defeating Heidi Henry (D) by 18.8 points.
Sue RezinRepublican · winner · incumbent
59.4%47,977
Heidi HenryDemocrat
40.6%32,799
80,776 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM 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 Oct 1, 2026, 6:17 AM ET