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Metropolitan and Micropolitan

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Historical Metropolitan Area Definitions

June 30, 1999:  Definitions used for presenting metropolitan area statistics in Census 2000 publications.June 30, 1993:  Definitions based on application of 1990 metropolitan area standards to 1990 census data.June 30, 1990:  Definitions used for presenting metropolitan area statistics in 1990 decennial census publications.June 30, 1983:  Definitions based on application of 1980 metropolitan areas standards to 1980 census data.June 30, 1981:  Definitions used for presenting metropolitan area statistics in 1980 decennial census publications.April 27, 1973:  Definitions based on application of 1971 metropolitan area statistics in 1980 decennial census publications.February 23, 1971:  Definitions used for presenting metropolitan area statistics in 1970 decennial census publications.October 18, 1963:  Definitions based on application of 1958 metropolitan area standards to 1960 census data.November, 1960:  Definitions used for presenting metropolitan area statistics in 1960 decennial census publications.October, 1950:  Definitions used for presenting metropolitan area statistics in 1950 decennial census publications.

Source: U.S. Census Bureau | Metropolitan and Micropolitan |  Last Revised: 2012-09-24T11:13:31.533-04:00