Personalise this item with 16 different colors and 8 different sizes design available on different clothes and items t shirts sweatshirts baby clothes mobile cases bags 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