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  2. List of regions of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_regions_of_the...

    U.S. Census Bureau regions and divisions. Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. [1] [2] The Census Bureau region definition is "widely used... for data collection and analysis", [3] and is the most commonly used classification system.

  3. List of core-based statistical areas - Wikipedia

    en.wikipedia.org/wiki/List_of_core-based...

    The United States Office of Management and Budget (OMB) has defined 925 core-based statistical areas (CBSAs) for the United States and 10 for Puerto Rico. [1] The OMB defines a core-based statistical area as one or more adjacent counties or county equivalents that have at least one urban core area of at least 10,000 population, plus adjacent territory that has a high degree of social and ...

  4. Core-based statistical area - Wikipedia

    en.wikipedia.org/wiki/Core-based_statistical_area

    An enlargeable map of the 124 combined statistical areas (CSAs) of the United States as of 2006. A core-based statistical area (CBSA) is a U.S. geographic area defined by the Office of Management and Budget (OMB).

  5. Metropolitan statistical area - Wikipedia

    en.wikipedia.org/wiki/Metropolitan_statistical_area

    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 region. [ 1 ] [ 2 ] Such regions are not legally incorporated as a city or town would be and are not legal administrative divisions like counties or separate entities ...

  6. Statistical area (United States) - Wikipedia

    en.wikipedia.org/wiki/Statistical_area_(United...

    The United States federal government defines and delineates the nation's metropolitan areas for statistical purposes, using a set of standard statistical area definitions. As of 2023, the U.S. Office of Management and Budget (OMB) defined and delineated 393 metropolitan statistical areas (MSAs) and 542 micropolitan statistical areas (μSAs) in the United States and Puerto Rico. [1]

  7. Census tract - Wikipedia

    en.wikipedia.org/wiki/Census_tract

    A census tract, census area, census district or meshblock [1] is a geographic region defined for the purpose of taking a census. [2] Sometimes these coincide with the limits of cities, towns or other administrative areas [2] and several tracts commonly exist within a county.

  8. Category:United States statistical areas - Wikipedia

    en.wikipedia.org/wiki/Category:United_States...

    The statistical areas of the United States comprise all the combined statistical areas, metropolitan statistical areas, and micropolitan statistical areas defined by the United States Office of Management and Budget. The core based statistical areas comprise all the metropolitan statistical areas and micropolitan statistical areas.

  9. United States census - Wikipedia

    en.wikipedia.org/wiki/United_States_census

    The United States census ... Computerized aggregate data describing the characteristics of small geographic areas for the entire period from 1790 to 2010 are ...