2020Final resultsSpecial election
2020 special election for Illinois Legislative District 11
Illinois State Senate · Illinois
Celina Villanueva (D) won with 79.3% of the vote, defeating Mary Ellen Brown (Oth) by 59.1 points.
Celina VillanuevaDemocrat · winner
79.3%46,700
Mary Ellen BrownOther party
20.2%11,916
58,901 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