Metropolitan Statistical Area

Metropolitan Statistical Area (MSA) means a geographic entity defined by OMB for use by Federal statistical agencies in collecting, tabulating, and publishing Federal statistics. A metro area contains a core urban area of 50,000 or more population, and a micro area contains an urban core of at least 10,000 (but fewer than 50,000) population. Each metro or micro area consists of one or more counties and includes the counties containing the core urban area, as well as any adjacent counties that have a high degree of social and economic integration (as measured by commuting to work) with the urban core.


20 CFR § 655.5

Scoping language

For purposes of this subpart:

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