Rochester Police Department (Minnesota)  The Rochester Police Department (RPD) is the main law enforcement agency with jurisdiction over the City of Rochester, Minnesota. It was established in 1906. It currently has 204 employees. The Department is made up of a police chief, 4 police captains, 9 police lieutenants, 25 police sergeants, and a combination of police officers and investigators that add up to about 102 total. There are around 60 non-sworn personnel. The department subscribes to a philosophy of Intelligence Led Policing. The Rochester Police Department conducts business under the Patrol, Investigations and Services Divisions. Each Division contributes to the operations of the Department. In addition, there are Specialty Units that operate in conjunction with each Division. Units associated with the Patrol Division include: