The Marion County Sheriff's Department's Patrol Division consists of a Patrol Supervisor, who assists the department with administrative duties related to the Patrol Division. He also supervises eleven full-time deputies to include a K9 handler and his K9, Rico. The Division is also assisted by one School Resource Officer and one part-time deputy who assists with patrol, paper service and bailiff assignments.
The patrol division not only covers the entire county but also consists of a "metro division", which is provides the primary law enforcement response for the city of Yellville. The patrol division covers the county 24 hours a day, 7 days a week, and 365 days a year.
The responsibilities of the Patrol division include traffic and criminal law enforcement; county ordinance enforcement; answering calls for service; welfare checks; property checks; transporting prisoners; serving civil papers for courts and attorneys. The department also provides marine patrol on Bull Shoals Lake on a regular basis. The department is equipped with a watercraft which can also be used for water rescue operations.