Metropolitan statistical area

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In the United States, a metropolitan statistical area (MSA) is a geographical region with a relatively high population density at its core and close economic ties throughout the area. Such regions are not legally incorporated as a city or town would be, nor are they legal administrative divisions like counties and states. As such, the precise definition of any given metropolitan area can vary with the source. A typical metropolitan area is centered on a single large city that wields substantial influence over the region (e.g. Chicago or Atlanta). However, some metropolitan areas contain more than one large city with no single municipality holding a substantially dominant position (e.g. Dallas–Fort Worth metroplex, Riverside–San Bernardino or Minneapolis–Saint Paul).

MSAs are defined by the Office of Management and Budget (OMB) and used by the Census Bureau and other federal government agencies for statistical purposes.[1]

Map

An enlargeable map of the 955 core based statistical areas (CBSAs) of the United States and Puerto Rico. The 374 metropolitan statistical areas (MSAs) are shown in medium green. The 581 Micropolitan Statistical Areas (μSAs) are shown in light green.

Definitions

U.S. Census statistics for metropolitan areas are reported according to the following definitions.

The U.S. Office of Management and Budget defines a set of core based statistical areas (CBSAs) throughout the country. CBSAs are delineated on the basis of a central urban area or urban cluster – in other words, a contiguous area of relatively high population density. CBSAs are composed of counties and county-equivalents.[2] The counties containing the core urban area are known as the central counties of the CBSA. Additional surrounding counties, known as outlying counties, can be included in the CBSA if these counties have strong social and economic ties to the central counties as measured by commuting and employment. Outlying counties are included in the CBSA if the employment interchange measure (total of in- and out-commuting) is 25% or more, although these numbers are estimates and exceptions are made. Some areas within these outlying counties may be rural in nature. As well as MSAs, CBSAs are subdivided into micropolitan statistical areas (μSAs) based on the population of the core urban area. Under certain conditions, one or more CBSAs may be grouped together to form a larger statistical entity known as a combined statistical area (CSA). Previous terms that are no longer used include standard metropolitan statistical area (SMSA) and primary metropolitan statistical area (PMSA).[3] In New England, towns have precedence over counties, so statistically similar areas are defined in terms of town-based units known as New England city and town areas (NECTAs).

See also

References

  1. ↑ Nussle, Jim (Nov 20, 2008). "Update of Statistical Area Definitions and Guidance on Their Uses". Office of Management and Budget. pp. 1–2. 
  2. ↑ Census Geographic Glossary, U.S. Census Bureau
  3. ↑ "Metropolitan and Micropolitan Statistical Areas". U.S. Census Bureau. Retrieved 16 February 2010. 

External links

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The 100 most populous Metropolitan Statistical Areas of the United States and Puerto Rico
   
  1. New York
  2. Los Angeles
  3. Chicago
  4. Dallas-Fort Worth
  5. Houston
  6. Philadelphia
  7. Washington
  8. Miami
  9. Atlanta
  10. Boston
  11. San Francisco
  12. Riverside-San Bernardino
  13. Phoenix
  14. Detroit
  15. Seattle
  16. Minneapolis-St. Paul
  17. San Diego
  18. Tampa-St. Petersburg
  19. St. Louis
  20. Baltimore
  1. Denver-Aurora
  2. Pittsburgh
  3. San Juan PR
  4. Charlotte
  5. Portland OR
  6. San Antonio
  7. Orlando
  8. Sacramento
  9. Cincinnati
  10. Cleveland
  11. Kansas City
  12. Las Vegas
  13. Columbus, Ohio
  14. Indianapolis
  15. San Jose
  16. Austin
  17. Nashville
  18. Virginia Beach-Norfolk
  19. Providence
  20. Milwaukee
  1. Jacksonville
  2. Memphis
  3. Oklahoma City
  4. Louisville
  5. Richmond
  6. New Orleans
  7. Hartford
  8. Raleigh
  9. Birmingham
  10. Buffalo
  11. Salt Lake City
  12. Rochester NY
  13. Grand Rapids
  14. Tucson
  15. Honolulu
  16. Tulsa
  17. Fresno
  18. Bridgeport
  19. Worcester
  20. Albuquerque
  1. Omaha
  2. Albany
  3. New Haven
  4. Bakersfield
  5. Knoxville
  6. Greenville
  7. Oxnard
  8. El Paso
  9. Allentown
  10. Baton Rouge
  11. McAllen
  12. Dayton
  13. Columbia
  14. Greensboro
  15. North Port–Sarasota–Bradenton
  16. Little Rock
  17. Stockton
  18. Akron
  19. Charleston SC
  20. Colorado Springs
  1. Syracuse
  2. Winston-Salem
  3. Cape Coral
  4. Boise City
  5. Wichita
  6. Springfield MA
  7. Madison
  8. Lakeland
  9. Ogden
  10. Toledo
  11. Deltona
  12. Des Moines
  13. Jackson
  14. Augusta
  15. Scranton
  16. Youngstown
  17. Harrisburg
  18. Provo
  19. Palm Bay
  20. Chattanooga
United States Census Bureau population estimates for July 1, 2012
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