2020Final results
2020 election for Illinois Legislative District 46
Illinois State Senate · Illinois
Dave Koehler (D) won with 53.9% of the vote, defeating Mary Burress (R) by 7.8 points.
Dave KoehlerDemocrat · winner · incumbent
53.9%47,492
Mary BurressRepublican
46.1%40,634
88,126 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET