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2010 Census Apportionment Data
The U.S. Census Bureau announced on December 21, 2010, that the 2010 Census showed the resident population of the United States on April 1, 2010, was 308,745,538.
The resident population represented an increase of 9.7 percent over the 2000 U.S. resident population of 281,421,906. Commerce Secretary Gary Locke, Acting Commerce Deputy Secretary Rebecca Blank and Census Bureau Director Robert Groves unveiled the official counts at the National Press Club in Washington, D.C.