The Ballot Brief
Rock Island County, Illinois

Rock Island County Sheriff

Herbert and Shoemaker were on the November 3, 2026 ballot. Names follow official Rock Island County election filings. Certified results will appear here once the election office certifies the count. Illinois certifies the general election by December 4, 2026; county canvasses are due November 24. Official results: www.elections.il.gov/ElectionOperations/ElectionVoteTotals.aspx.

About this race

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

What this office does

Sheriff. The sheriff runs the county's law enforcement agency, operates the county jail, provides courthouse security and serves court papers such as warrants, subpoenas and evictions. In many counties the sheriff's office is the primary police force for areas outside city limits. The sheriff hires deputies and manages the office's budget within what the county board approves.

This race. Every voter in Rock Island County votes on this seat.

This list comes from official election records but may be incomplete. It can miss, for example, late or petition candidates and some city, school and district races. Your official sample ballot is the final word.

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Illinois › Rock Island County › Rock Island County Sheriff

Who won? The official answer comes December 4.

Illinois makes results final in three steps.
✓
Done · Nov 3
Votes were cast and counted
Election night totals are a first count, not the final one.
2
Happening now · by Nov 24
Rock Island County double-checks its count
The county reviews mail ballots, provisional ballots and any recount, then sends official totals to the state.
3
Next · Dec 4
Illinois makes it official
The State Board of Elections certifies the result. The winner appears on this page that day.

What local news is reporting

Not official yetUpdated November 5, 2026

This report is cited to the outlet that published it. We do not call races. Official running count: Illinois official results.

Rock Island County Sheriff
No report found yet

Reports are checked daily until Illinois certifies on December 4; a certified winner replaces the report on that day.

Marcus Herbert

Democratic

Top priorities

From the campaign site

  • A sheriff's office that is transparent, innovative, and responsive to the needs of all residents
  • Community-oriented policing and building relationships between law enforcement and residents
Biography

Marcus Herbert is a Sergeant with the Rock Island County Sheriff's Office with 20 years of service, currently supervising patrol operations, per Herbert's campaign website. Herbert began as a correctional officer in 2005, became a deputy sheriff in 2010 after graduating from the Police Training Institute at the University of Illinois, and earned bomb technician certification through the FBI's Hazardous Device School in 2014, and commands the Quad City Bomb Squad, per Herbert's campaign website.

Jamie M. Shoemaker

Republican

Top priorities

From the campaign site

  • Created and leads the IMPACT program, which provides resources for people experiencing mental illness, substance use, and crisis situations
  • Led the county's Dementia Friendly Community certification and established a Dementia Task Force
  • Serves on the Internet Crimes Against Children task force
Biography

Jamie M. Shoemaker is a Detective with the Geneseo Police Department who began her law enforcement career in 2015 with the Rock Island County Sheriff's Office, per Shoemaker's campaign website. Shoemaker is an FBI-certified crisis negotiator and a board member of the Illinois Crisis Negotiator Association, and was named the 2024 Illinois Law Enforcement Training and Standards Board Female Officer of the Year, per Shoemaker's campaign website.

Next on the ballotRock Island County Treasurer

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Voting info and more

Voting info and more
Questions about this race

Who is running for Rock Island County Sheriff in 2026?

2 candidates were 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 was Tuesday, November 3, 2026. Certified results will appear on this page as the election office certifies them. Illinois certifies the general election by December 4, 2026; county canvasses are due November 24. Official results: https://www.elections.il.gov/ElectionOperations/ElectionVoteTotals.aspx. Voting 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.

Who won the Rock Island County Sheriff race?

Not yet reported by the outlets we checked; Illinois certifies on December 4. We do not call races.

Verify this race

Candidate roster from official Rock Island County and state election office filings, last verified October 24, 2026. 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.

The rest of your Rock Island County ballot

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

Also on the November 3 ballot
Rock Island County Board, District 2Rock Island County Board, District 3Rock Island County Board, District 5See all 23 Rock Island County races
Candidate profiles
Marcus Herbert, full profileJamie M. Shoemaker, full profileOfficial Illinois election office