A Combined Statistical Area (CSA) is composed of adjacent Metropolitan (MSA) and Micropolitan Statistical Areas (µSA) in the United States and Puerto Rico that can demonstrate economic or social linkage. The OMB defines a CSA as consisting of various combinations of adjacent metropolitan and micropolitan areas with economic ties measured by commuting patterns. These areas that combine retain their own designations as metropolitan or micropolitan statistical areas within the larger combined statistical area.
The primary distinguishing factor between a CSA and an MSA is that the social and economic ties between the individual MSAs within a CSA are at lower levels than between the counties within an MSA.〔(【引用サイトリンク】 publisher = South Dakota Department of Labor and Regulation )〕 CSAs represent multiple metropolitan or micropolitan areas that have an employment interchange of 25. CSAs often represent regions with overlapping labor and media markets.
As of July 2012, there are 169 combined statistical areas in the United States, plus three in Puerto Rico.〔(【引用サイトリンク】 publisher = United States Census Bureau )〕
For a complete list of the 169 combined statistical areas of the United States, see the list below.
==List of Combined Statistical Areas==
The following sortable table lists the 169 Combined Statistical Areas (CSAs) of the United States with the following information
#The CSA rank by population as of July 1, 2013, as estimated by the United States Census Bureau
#The CSA name as designated by the United States Office of Management and Budget〔
#The CSA population as of July 1, 2013, as estimated by the United States Census Bureau〔
#The CSA population as of April 1, 2010, as enumerated by the 2010 United States Census〔
#The percent CSA population change from April 1, 2010, to July 1, 2013〔
#The Core Based Statistical Areas (CBSAs) that constitute the CSA
(Metropolitan Statistical Areas that are not combined with other MSAs or CBSAs are not also listed below).
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