The government of New York City, headquartered at New York City Hall in Lower Manhattan, is organized under the New York City Charter and provides for a "strong" mayor-council system. The mayor is elected to a four-year term and is responsible for the administration of city government. The New York City Council is a unicameral body consisting of 51 members, each elected from a geographic district, normally for four-year terms. All elected officials are limited to a two consecutive-term limit. The court system consists of two city courts and three state courts.
New York City government employs 325,000 people, more than any other city in the United States and more than any U.S. state but three: California, Texas, and New York. The government is more centralized than that of most other U.S. cities, with the city government being responsible for public education, correctional institutions, public safety, recreational facilities, sanitation, water supply, and welfare services. New York City's political geography is unique, consisting of five boroughs, each coterminous with one of five counties of New York State: Brooklyn is Kings County, the Bronx is Bronx County, Manhattan is New York County, Queens is Queens County, and Staten Island is Richmond County. When New York City was consolidated into its present form in 1898, all previous town and county governments within it were abolished in favor of the present five boroughs and a unified, centralized city government. However, each county retains its own district attorney to prosecute crimes, and most of the court system is organized around the counties. Three main public-library systems represent the city's five boroughs, namely Brooklyn Public Library (located in Brooklyn), New York Public Library (a private, non-governmental library located in the Bronx, Manhattan, and Staten Island), and Queens Public Library (located in Queens).