One candidate is tracked for McHenry County Sheriff on the November 3, 2026 ballot: Robb Tadelman. Candidate information follows official McHenry County election filings; verify with the official election office linked below.
Republican incumbent Robb Tadelman ran unopposed for his party's nomination on March 17, 2026, per the McHenry County Clerk's official primary results reported by Shaw Local's Northwest Herald. No Democrat filed for sheriff in the primary, and no Democrat or independent challenger was found to have been slated for the November 3, 2026 ballot as of this research; Tadelman is expected to run unopposed in November.
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 McHenry County votes on this seat. One name is on the ballot for this seat.
Illinois › McHenry County › McHenry County Sheriff
Republican
Per the campaign site.
Tadelman is a 20-year veteran of the McHenry County Sheriff's Office who currently serves as Sheriff, per the campaign site. Tadelman is a graduate of the Illinois State Police Academy, per the campaign site.
Who is running for McHenry County Sheriff in 2026?
One candidate is tracked for McHenry County Sheriff on the November 3, 2026 ballot: Robb Tadelman. Candidate information follows official McHenry County election filings; verify with the official election office linked below.
When is the McHenry 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 McHenry 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.
Candidate roster from official McHenry County and state election office filings, last verified October 1, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Illinois election office, or see the full McHenry County sample ballot and your exact ballot by address.
23 tracked races in McHenry County, Illinois. Landed here from another county's search? Look up your own ballot below.