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A core-based statistical area (CBSA) is a U.S. geographic area defined by the
The term "CBSA" refers collectively to both metropolitan statistical areas and micropolitan areas. Micropolitan areas are based on Census Bureau-defined urban clusters of at least 10,000 and fewer than 50,000 people.
The basic definition of metropolitan areas was changed in 2003. A metropolitan area, as it did in 1990, requires a Census Bureau-defined urbanized area of at least 50,000 people. A metropolitan statistical area containing an urbanized area of at least 2.5 million people can be subdivided into two or more "metropolitan divisions", provided specified criteria are met. Metropolitan divisions are conceptually similar to the primary metropolitan statistical areas (PMSAs) defined under previous standards.
Similarly, there are now definitions for combined statistical areas (CSAs). These areas can be formed when adjoining CBSAs meet particular standards to become new areas. Any combination of metro and micro areas may be used to form a CSA.
The metropolitan areas in
"Housing patterns and core-based statistical areas
at the
A core-based statistical area (CBSA) is a U.S. geographic area defined by the Office of Management and Budget
The Office of Management and Budget (OMB) is the largest office within the Executive Office of the President of the United States (EOP). The office's most prominent function is to produce the president's budget, while it also examines agency pro ...
(OMB). It contains a large population nucleus, or urban area, and adjacent communities that have a high degree of integration with that nucleus.
On July 15, 2015, the OMB released new standards based on the 2010 census. These standards are used to replace the definitions of metropolitan area
A metropolitan area or metro is a region consisting of a densely populated urban area, urban agglomeration and its surrounding territories which share Industry (economics), industries, commercial areas, Transport infrastructure, transport network ...
s from the 2010 United States census data.
Definition
The term "CBSA" refers collectively to both metropolitan statistical areas and micropolitan areas. Micropolitan areas are based on Census Bureau-defined urban clusters of at least 10,000 and fewer than 50,000 people.
The basic definition of metropolitan areas was changed in 2003. A metropolitan area, as it did in 1990, requires a Census Bureau-defined urbanized area of at least 50,000 people. A metropolitan statistical area containing an urbanized area of at least 2.5 million people can be subdivided into two or more "metropolitan divisions", provided specified criteria are met. Metropolitan divisions are conceptually similar to the primary metropolitan statistical areas (PMSAs) defined under previous standards.
Similarly, there are now definitions for combined statistical areas (CSAs). These areas can be formed when adjoining CBSAs meet particular standards to become new areas. Any combination of metro and micro areas may be used to form a CSA.
The metropolitan areas in New England
New England is a region consisting of six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the ...
became county-based, consistent with the rest of the U.S. Previously, these were referred to by the Census Bureau as New England county metropolitan areas (NECMA) and were separate from the normal census counts for the areas, based on cities and towns. They have essentially swapped places now, with the city and town areas (or NECTAs, for New England city and town areas) being the separate listings.
Not much changed in the basic definition, but 49 new metropolitan areas were formed. Over 550 other areas were classified as micropolitan. The rules have defined 935 CBSAs in the U.S. and Puerto Rico. Eleven of the CBSAs have metropolitan divisions, 29 in total. In comparison, the definition of metropolitan areas in 1999, the last year areas were formed based on the 1990 rules for them, has 284 metropolitan areas, with 19 of the areas providing 76 primary metropolitan areas (the equivalent of divisions). Almost three times the number of areas overall are recognized by the OMB.
See also
*United States of America
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 states and a federal capital district, Washington, D.C. The 48 contiguo ...
** Outline of the United States
* Demographics of the United States
The United States is the third most populous country in the world, and the most populous in the Americas and the Western Hemisphere, with an estimated population of 340,110,988 on July 1, 2024, according to the U.S. Census Bureau. This was ...
** United States Census Bureau
The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
*** List of U.S. states and territories by population
The states and territories included in the United States Census Bureau's statistics for the United States population, ethnicity, and most other categories include the 50 states and Washington, D.C. Separate statistics are maintained for the ...
*** List of United States cities by population
This is a list of the most populous municipal corporations of the United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal rep ...
*** List of United States counties and county equivalents
There are 3,244 counties and county equivalents in the United States. The 50 states of the United States are divided into 3,007 political subdivisions of states called ''County (United States), counties''. Two hundred thirty-seven other local gov ...
**United States Office of Management and Budget
The Office of Management and Budget (OMB) is the largest office within the Executive Office of the President of the United States (EOP). The office's most prominent function is to produce the president's budget, while it also examines agency pro ...
***Statistical area (United States)
The Federal government of the United States, United States federal government defines and delineates the nation's metropolitan areas for statistical purposes, using a set of standard statistical area definitions. the U.S. Office of Management and ...
**** Combined statistical area
****List of core-based statistical areas
The United States Office of Management and Budget (OMB) has defined 935 core-based statistical areas (CBSAs) for the United States and 10 for Puerto Rico. The OMB defines a core-based statistical area as one or more adjacent county (United Stat ...
***** Metropolitan statistical area
***** Micropolitan statistical area
References
External links
"Housing patterns and core-based statistical areas
at the
United States Census Bureau
The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
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2003 establishments in the United States
Demographics of the United States
United States Census Bureau geography