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The statistical areas of the United States of America comprise the metropolitan statistical areas (MSAs),〔The United States Office of Management and Budget (OMB) defines a metropolitan statistical area (MSA) as a core based statistical area having at least one urbanized area of 50,000 or more population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties.〕 the micropolitan statistical areas (μSAs),〔The United States Office of Management and Budget (OMB) defines a micropolitan statistical area (μSA) as a core based statistical area having at least one urban cluster of at least 10,000 but less than 50,000 population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties.〕 and the combined statistical areas (CSAs)〔The United States Office of Management and Budget (OMB) defines a combined statistical area (CSA) as an aggregate of adjacent core based statistical areas that are linked by commuting ties.〕 currently defined by the United States Office of Management and Budget (OMB). Most recently on December 1, 2009, the Office of Management and Budget defined 1067 statistical areas for the United States, including 4 combined statistical areas, 9 metropolitan statistical areas, and 15 micropolitan statistical areas in the State of Iowa. The table below shows the recent population of these statistical areas and the 99 counties of Iowa. ==Table== The table below describes the 28 United States statistical areas and 99 counties of the State of Iowa with the following information:〔An out-of-state area and its population are displayed in green. An area that extends into more than one state is displayed in teal. A teal population number over a black population number show the total population versus the in-state population.〕 #The combined statistical area (CSA) as designated by the OMB.〔 #The CSA population as of July 1, 2008, as estimated by the United States Census Bureau. #The core based statistical area (CBSA)〔The United States Office of Management and Budget (OMB) defines a core based statistical area as one or more adjacent counties or county-equivalents having at least one urban cluster of at least 10,000 population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties. The core based statistical areas comprise the metropolitan statistical areas and the micropolitan statistical areas.〕 as designated by the OMB.〔 #The CBSA population as of July 1, 2008, as estimated by the United States Census Bureau. #The county name. #The county population as of July 1, 2008, as estimated by the United States Census Bureau.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Iowa statistical areas」の詳細全文を読む スポンサード リンク
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