The Rockville City Police Department (RCPD) is a U.S. law enforcement agency responsible for patrolling the city of Rockville, the third largest city in the U.S. state of Maryland. The RCPD patrols the city in cooperation with the Montgomery County Police Department (MCPD). The agency serves a jurisdiction consisting of over 65,000 people and has been a CALEA-accredited agency since 1994. According to the RCPD, its mission is to protect and promote community safety, ensure the safe and orderly movement of traffic, and seek solutions to any problem that creates fear or threatens the quality of life in its jurisdiction.