The Derry Township Police Department is a full service municipal law enforcement agency serving the residents and visitors of Derry Township, Dauphin County, Pennsylvania.  The Township is a vibrant and growing community of over 24,600 full time residents that hosts an estimated 5,000,000 visitors per year.  The Fortune 500 Corporation The Hershey Company along with the venues of the Hershey Entertainment and Resorts Co. and the Penn State Milton S. Hershey Medical Center all call Derry Township home.

The men and women of the Derry Township Police Department are committed to provide leadership, promote individual responsibility, and improve the communities quality of life through crime control and ensuring public safety while serving all people with fairness and respect.

The Derry Township Police Department is accredited by both the Commission on Accreditation of Law Enforcement Agencies (CALEA) and the Pennsylvania Law Enforcement Accreditation Commission (PLEAC).