The Denison Police Department is fully staffed with 13 sworn full time officers and 7 civilian employees.  The department is led by Police Chief Tony Trejo.  The department’s patrol staff is comprised of a Chief, a Captain, two sergeants and nine patrol officers. See below for the department’s contact information.

The Department provides police protection throughout the city and staffs the 911 Center for Crawford County. The Communications Center is the only public service answering point in Crawford County and is responsible for dispatching the Denison Police Department, the Manilla Police Department, the Charter Oak Police Department, the Crawford County Sheriff’s Office, ten fire departments and their respective EMS first responder personnel, and the Crawford County Memorial Hospital EMT/Paramedic Ambulance Service.