Mchenry County, Illinois

McHenry County Sheriff

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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.

Robb Tadelman

Republican

Robb Tadelman is a 20-year veteran of the McHenry County Sheriff's Office and a graduate of the Illinois State Police Academy, now serving as sheriff, per Robb Tadelman campaign site.

2026 priorities (per the campaign site)

Protect families and communities
Build on the sheriff's office's public-safety initiatives
Defend residents' civil liberties and fiscal interests

Source: candidate campaign site.

Campaign site →

Verify this race
Candidate roster from official Mchenry County Supervisor of Elections filings. 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.