Yeena Yoo won the DuPage County treasurer race, defeating Gwen Henry by 57,030 votes, according to unofficial results from DuPage County Clerk. Yoo received 190,588 votes, or 58.8%, to Henry's 133,558 votes, or 41.2%, with all 600 of 600 reporting units reporting. The margin was 17.6 percentage points.

A total of 324,146 votes were counted in the race. The DuPage County Clerk last updated the results at 9:58 p.m. CST on Tuesday, Nov. 3.

The count moved from a partial count to a complete count since our earlier results on Tuesday, Nov. 3.

What's next

The results remain unofficial until the canvass is complete.

Election results: DuPage County Treasurer (Illinois General Election, 2026-11-03)

Candidate

Party

Votes

Percent

YEENA YOO

190,588

58.8%

GWEN HENRY

133,558

41.2%

Total

324,146

Source: DuPage County Clerk. Results current as of Nov. 3, 2026, 9:58 p.m. CST. Reporting: 600 of 600. Unofficial results; every reporting unit has reported.