History: Life In The New York City, 19th Century, United States

New York City has a high degree of income disparity. In 2005 the median household income in the wealthiest census tract was $188,697, while in the poorest it was $9,320. The disparity is driven by wage growth in high income brackets, while wages have stagnated for middle and lower income brackets. In 2006 the average weekly wage in Manhattan was $1,453, the highest and fastest growing among the largest counties in the United States. The borough is also experiencing a baby boom that is unique among American cities. Since 2000, the number of children under age 5 living in Manhattan grew by more than 32%.
Government
Since its consolidation in 1898, New York City has been a metropolitan municipality with a "strong" mayor-council form of government. The government of New York is more centralized than that of most other U.S. cities. In New York City, the central government is responsible for public education, correctional institutions, libraries, public safety, recreational facilities, sanitation, water supply and welfare services. The mayor and councillors are elected to four-year terms. The New York City Council is a unicameral body consisting of 51 Council members whose districts are defined by geographic population boundaries. The mayor and councilors are limited to three consecutive four-year terms but can run again after a four year break.