The New York City Police Department (NYPD) 
Summary. The New York City Police Department (NYPD) is the largest police department in the United States, with 32,284 officers as of 2009, and serving the combined populations of the Bronx, Brooklyn, Manhattan, Queens and Staten Island. JuLy 2011 5 Ten local police departments had a double-digit percentage increase in number of officers from 2004 to 2008 Among the 50 largest local police departments, 35 employed more full-time officers in 2008 than in 2004. More than 12,000 local police departments were operating in the United States during 2013. A local police department is a general purpose law enforcement agency, other than a sheriffs office, that is operated by a unit of local government, such as a town, city, township, or county. The largest Sheriff's Department in the United States is the Los Angeles County Sheriff's Department (8,400 Officers, 7,400 unsworn employees). 4 Census of state and LoCaL Law enforCement agenCies, 2008 Local police departments In 2008, 12,501 local police departments in the United States employed at least one full-time officer or the equivalent in part-time officers. Nearly all (98%) were operated by a municipal govern-ment. The largest state police force in the United States is the California Highway Patrol as of 2008, according to FBI data. The agency has about 9000 officers. Following CHP is the New York State Police with about 4600 sworn members. Split and merge into it. Answered by The Community. Making the world better, one answer at a time. The New York City Police Department is the largest in the United States (37,800 officers), followed by Chicago (13,600 officers) and Los Angeles (9,600).
http://www.prsa.org/SearchResults/view/6D-050207/0/The_NYPD_The_Nation_s_Largest_Police_Department_as http://www.bjs.gov/content/pub/pdf/csllea08.pdf http://www.bjs.gov/index.cfm?ty=tp&tid=71 http://www.answers.com/Q/What_are_the_largest_police_departments_in_us http://www.bjs.gov/content/pub/pdf/csllea08.pdf http://www.answers.com/Q/What_are_the_largest_police_departments_in_us http://www.answers.com/Q/What_are_the_largest_police_departments_in_us
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