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The symbol that stands for the category of CORE-BASED-STATISTICAL-AREA. Examples of the categories of CORE-BASED-STATISTICAL-AREA that they represent are: metropolitan statistical area, micropolitan statistical area, urban area, urban cluster, A metropolitan statistical area consists of one or more "urban areas" each of which has a population of 50,000 or more. A micropolitan statistical area consists of one or more "urban clusters" each of which has a population of at least 10,000 but less than 50,000. Note: The U.S. Census defines a "rural area" as any area that is neither an urban area nor an urban cluster. |