The Marion County Sheriff's Office is the largest sheriff's office in Indiana. We employ over a thousand sworn, merit, civil, and special deputies and communications, correctional and civilian personnel. These outstanding Civilians and Deputies serve public safety in the Jail Division, Communications Division, Civil Division, Administration Division, and Criminal Division. Since 1822, the Marion County Sheriff's Office has dedicated its personnel to better serve and protect the citizens of Marion County. The Marion County Sheriff's Office also has a large contingent of unpaid reserve deputies volunteering their time to the county. The Marion County Jail is the largest jail in Indiana.