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The 2007 population estimate for the United States is 301,621,157.
Note: Information about challenges to population estimates data can be found on the Population Estimates Challenges page.
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  2007 2000 1990
Population 301,621,157 281,421,906 248,709,873
Source: U.S. Census Bureau, 2007 Population Estimates, Census 2000, 1990 Census
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Population for all states in the United States, 2000-2007: Map of Persons per Square Mile, United States by State:

See more data for the United States on the Fact Sheet.

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