The Marion Police Department is committed to enhancing the quality of life for the citizens of Marion through proactive enforcement, through patrol and investigations within the City Limits. In 2009, more than 28,820 calls for service were received by the Police Department, over 650 traffic accidents were investigated, and more than 1,695 crimes were reported.
 

The Marion Police Department has 24 sworn positions and 10 reserve positions.
 

The Department maintains Administrative, Patrol and Investigative divisions. Community policing and crime prevention are stressed through Neighborhood Watch Programs and other programs and events such as National Night Out. The Department is involved in the schools by maintaining a School Resource Officer at East McDowell Junior High School. The Department provides property checks for residents and business checks for businesses in the City Limits.
 

The Police Department building is located at 270 South Main Street.

Mark Brooks serves as Chief of Police for Marion.