The Marion County Sheriff's Department's Administration includes a Chief Deputy / Captain; a Lieutenant; a Sergeant; a Patrol Sergeant; a Jail Administrator; and two Administrative Assistants, which manage much of the business side of the Sheriff's Department.

The day to day operation of the Sheriff's Department includes but is not limited to: the planning, organizing, staffing, scheduling, directing, and coordinating any investigations, assignments, events, and activities. Further duties include: creating, maintaining, and enforcing policies and procedures; supervision of all staff, all patrol officers, criminal investigators, and general law enforcement; crime prevention programs; developing and maintaining a budget; maintaining good community, public, and media relations; reviewing reports, records, citations, and documents; vehicle maintenance; and evidence and property. All administrators work closely with the Sheriff in providing a safer County for all.