The
New York City Police Department (
NYPD or
NYCPD), officially the
City of New York Police Department, was established in 1845 and is the largest
municipal police force in the United States, having primary responsibilities in law enforcement and investigation within the five
boroughs of
New York City. The NYPD is one of the oldest police departments established in the United States, tracing its roots back to the seventeenth century.