The Ballot Brief
Illinois
Candidate profile

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Gwen Henry

Republican · Illinois · 2026 · Incumbent

Running for DuPage County Treasurer, Illinois

Biography

Gwen Henry is a certified public accountant who has served as DuPage County Treasurer since 2006 and previously served as mayor of Wheaton and as a DuPage County Board member and forest preserve commissioner, per DuPage County official biography.

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On the ballot

DuPage County TreasurerIllinois · 2026Dupage County sample ballot

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Voting info and more

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How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 19, 2026. Official sources are the final word on who appears on your ballot.

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