The Ballot Brief
Rock Island County, Illinois

Rock Island County Sheriff

2 candidates are tracked for Rock Island County Sheriff on the November 3, 2026 ballot: Marcus Herbert and Jamie M. Shoemaker. Candidate information follows official Rock Island County election filings; verify with the official election office linked below.

IllinoisRock Island County › Rock Island County Sheriff

Marcus Herbert is the Democratic nominee and Jamie M. Shoemaker is the Republican nominee, per the county clerk's certified candidate list.

Marcus Herbert

Democratic

Biography
Marcus Herbert appears on the November 3, 2026 ballot for Rock Island County Sheriff, per the county clerk's certified November 3, 2026 candidate list.

Jamie M. Shoemaker

Republican

Biography
Jamie M. Shoemaker appears on the November 3, 2026 ballot for Rock Island County Sheriff, per the county clerk's certified November 3, 2026 candidate list.

Questions about this race

Who is running for Rock Island County Sheriff in 2026?

2 candidates are tracked for Rock Island County Sheriff on the November 3, 2026 ballot: Marcus Herbert and Jamie M. Shoemaker. Candidate information follows official Rock Island County election filings; verify with the official election office linked below.

When is the Rock Island County Sheriff 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 Rock Island 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.

Sources
Verify this race
Candidate roster from official Rock Island County and state election office filings. Bios and priorities carry their attribution inline.
Cross-check with the official Illinois election office, or see the full Rock Island County sample ballot and your exact ballot by address.