Ian Holzhauer won the DuPage County Board District 5 race with 31,422 votes, or 69.3%, according to unofficial results from DuPage County Clerk. Chris Jacks received 13,923 votes, or 30.7%. Of 45,345 votes counted, Holzhauer defeated Jacks by a margin of 17,499 votes, or 38.6 percentage points. All 92 of 92 reporting units have reported as of 9:36 p.m. CST on Tuesday, Nov. 3.

Election results: DuPage County Board - District 5 (Illinois General Election, 2026-11-03)

Candidate

Party

Votes

Percent

IAN HOLZHAUER

31,422

69.3%

CHRIS JACKS

13,923

30.7%

Total

45,345

Source: DuPage County Clerk. Results current as of Nov. 3, 2026, 9:36 p.m. CST. Reporting: 92 of 92. Unofficial results; every reporting unit has reported.