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The median center of U.S. population is determined by the United States Census Bureau from the results of each census. The Bureau defines it to be: As of the 2010 U.S. census, this places roughly 154.4 million Americans living on each side of a longitude line passing through a location in Pike County, Indiana, and the same number living on each side of a latitude line through the same point. During the 20th century the median center of U.S. population moved roughly southwest, from a location in Randolph County, Indiana to a location in Daviess County, Indiana. The majority of this southwest shift happened in the second half of the century, as the center shifted within a narrow circular band between 1900 and 1950 – all within roughly of the 1900 starting point in Randolph County. == See also == * Mean center of United States population * Center of population * Geographic center of the United States * Geographic center of the contiguous United States 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「Median center of United States population」の詳細全文を読む スポンサード リンク
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