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TIGER/Line Shapefile, 2012, Series Information File for the Economic Census Metropolitan Statistical Area/Micropolitan Statistical Area (CBSA) National Shapefile

Published by U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch | U.S. Census Bureau, Department of Commerce | Metadata Last Checked: January 28, 2026 | Last Modified: 2012-01-01T00:00:00.000+00:00
Metropolitan and Micropolitan Statistical Areas are together termed Core Based Statistical Areas (CBSAs) and are defined by the Office of Management and Budget (OMB) and consist of the county or counties or equivalent entities associated with at least one urban core (urbanized area or urban cluster) of at least 10,000 population, plus adjacent counties having a high degree of social and economic integration with the core as measured through commuting ties with the counties containing the core. Categories of CBSAs are: Metropolitan Statistical Areas, based on urbanized areas of 50,000 or more population; and Micropolitan Statistical Areas, based on urban clusters of at least 10,000 population but less than 50,000 population. Economic Census CBSAs are similar to current CBSAs, which are those that the OMB announced and published in February 2013.

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