Saturday, May 8, 2010

Metropolitan Statistical Area (MSA) and Megalopolis

Metropolitan statistical area (MSA) is the area influenced by an urban settlement in a contemporary society, also known as the city's functional area. An MSA must include a central city with a population of at least 50,000, a county within which the city is located in, and adjacent counties with high population density and a large percent of residents working in the central city's county. By overlapping MSAs, megalopolises (megalopoli) form.

A megalopolis is a group of huge urban agglomerations that could coalesce into an enormous megacity in the future. An example would be the urban cluster from Boston to Washington D.C. with New York, Philadelphia, and Baltimore in between.

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