DuPage County election results 2026
The gist
Democrats were projected to win DuPage County clerk, sheriff and treasurer in unofficial Nov. 3 results.
Several County Board and forest preserve races remained uncalled weeks later.
How it unfolded
- Mar 17, 2026In the Democratic primary, County Board member Paula Deacon Garcia defeated incumbent Clerk Jean Kaczmarek, with unofficial totals of 54,761 to 42,670 and all precincts reporting. DuPage primary turnout was 24.56%, up from 20.41% in 2024.
- Nov 3, 2026Polls were open in Illinois from 6 a.m. to 7 p.m., with anyone in line by 7 p.m. allowed to vote. Before Election Day, DuPage had 122,599 early in-person ballots and 63,356 of 117,885 mail ballots returned.
- Nov 4, 2026Unofficial results showed Democrats and incumbents performing strongly in Naperville-area races, with Democrats sweeping the eight Illinois House races Naperville voters voted in, per Associated Press calls. In DuPage races, Deacon Garcia was projected to win clerk, Peter Joseph Coolidge sheriff and Yeena Yoo treasurer.