McHenry County, Illinois is governed by a 25-member governing board. The current chair, county board is Mike Buehler. See all 11 named officeholders and how to reach each office.
Population: 317,751.
Selected officeholders: Chair, County Board: Mike Buehler · State's Attorney: Randi Freese · Sheriff: Robb Tadelman · County Clerk: Joseph J. Tirio · Clerk of the Circuit Court: Kathy Keefe · Recorder of Deeds: Joseph J. Tirio.