The Ballot Brief
DuPage County, Illinois

DuPage County Board Chairperson

2 candidates are tracked for DuPage County Board Chairperson on the November 3, 2026 ballot: Deb Conroy and Gary Grasso. Candidate information follows official DuPage County election filings; verify with the official election office linked below.

About this race

Deb Conroy ran unopposed for the Democratic nomination and Gary Grasso ran unopposed for the Republican nomination in the March 17 primary; they meet on the November 3 ballot, per the county's official canvass and general election candidate listing.

What this office does

County commissioner. The county board is the county's legislative and, in most states, executive body. Commissioners adopt the county budget and property tax rate, oversee roads, the jail, public health, planning and zoning in unincorporated areas, and appoint or confirm department heads. In counties with an elected county executive or judge, the board's role is mainly the budget and ordinances.

This race. The sitting officeholder, Deb Conroy, is on the ballot.

Illinois › DuPage County › DuPage County Board Chairperson

Deb Conroy

Democratic Incumbent

Top priorities
  • Provided funding to open the county's first Crisis Recovery Center for people in mental health crisis
  • Funded infrastructure improvements to expand food pantry accessibility
  • Developed proposals to expand affordable housing in DuPage County

Per the DuPage County official biography.

Biography

Deb Conroy has chaired the DuPage County Board since December 2022, after a decade representing the 46th district in the Illinois House of Representatives, per DuPage County official biography. No campaign website was found as of September 8, 2026; the official election filing is the only verifiable source for Deb Conroy.

Gary Grasso

Republican

Biography

Gary Grasso appears on the November 3, 2026 ballot for DuPage County Board Chairperson, per the county elections office's certified candidate list. No campaign website was found as of September 8, 2026; the official election filing is the only verifiable source for Gary Grasso.

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Voting info and more

Voting info and more
Questions about this race

Who is running for DuPage County Board Chairperson in 2026?

2 candidates are tracked for DuPage County Board Chairperson on the November 3, 2026 ballot: Deb Conroy and Gary Grasso. Candidate information follows official DuPage County election filings; verify with the official election office linked below.

When is the DuPage County Board Chairperson election in Illinois?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Illinois are on the Illinois election hub at theballotbrief.com.

How do I see my exact DuPage County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official DuPage County and state election office filings, last verified September 29, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Illinois election office, or see the full DuPage County sample ballot and your exact ballot by address.

The rest of your DuPage County ballot

47 tracked races in DuPage County, Illinois. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
DuPage County ClerkDuPage County TreasurerDuPage County Board District 1 (4-Year Term)See all 47 DuPage County races
Candidate profiles
Deb Conroy, full profileGary Grasso, full profileOfficial Illinois election office