308 W. Mississippi Street,
Jonesboro, Il 62952
309 West Market Street, Room 004
Jonesboro, Illinois 62952
Office Hours: Monday-Friday, 8:00 a.m.-4:00 p.m.
Duties & Responsibilities
The Union County Sheriff is the Chief Law Enforcement Officer in Union County with Countywide jurisdiction. The Sheriff provides law enforcement services for the unincorporated areas of the County and law enforcement assistance to other police agencies. The Sheriff participates in combined law enforcement agency services such as drug investigation and police communications. The Sheriff also provides service to the Courts by serving all court documents, and provides courtroom security. The Sheriff serves all warrants of arrest issued by the Courts.