Johnson County, Illinois is governed by a 3-member governing board. The current chair, county commission is Gary Brumley. See all 10 named officeholders and how to reach each office.
Population: 13,363.
Selected officeholders: Chair, County Commission: Gary Brumley · State's Attorney: Jeremy Lloyd · Sheriff: Pete Sopczak · County Clerk: Robin Harper-Whitehead · Clerk of the Circuit Court: Ryan O'Neal · Recorder of Deeds: Robin Harper-Whitehead.