Core Based Statistical Areas
Core Based Statistical Areas (CBSA)
CBSAs are more commonly known as metropolitan statistical areas and micropolitan statistical areas.
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Definition
CBSAs are defined by the Office of Management and Budget (OMB).
CBSAs are one or more counties (or equivalent) anchored by an urban center. Each must have a population of 10,000. Adjacent counties that exist in the same economic sphere (especially as in a commuting labor force) are added to the CBSA.