What is a metropolitan statistical area?
What will be an ideal response?
Answer: The U.S. Bureau of the Census created a method of measuring the functional area of a city, known as the metropolitan statistical area (MSA). The area of influence of a city extends beyond legal boundaries and adjacent built-up jurisdictions. For example, commuters may travel a long distance to work and shop in the city or built-up suburbs. People in a wide area watch the city's television stations, read the city's newspapers, and support the city's sports teams.
An MSA includes an urbanized area of at least 50,000 inhabitants; the county within which the city is located; and adjacent counties with a high population density and a large percentage of residents working in the central city's county.
The census designated 366 MSAs as of 2009, encompassing 84 percent of the U.S. population. The census has also designated smaller urban areas as micropolitan statistical areas (μμSAs). The Greek letter μ_ or "mu" stands for micro-. These include an urbanized area of between 10,000 and 50,000 inhabitants, the county in which it is found, and adjacent counties tied to the city. The U.S. had 576 micropolitan statistical areas in 2009, for the most part found around Southern and Western communities previously considered rural in character. About 10 percent of Americans live in a micropolitan statistical area.
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