The estimated population for 2015 is over 320 million.
The US Census Bureau's population estimate for 2003 was 290,788,976.
The US Census Bureau's population estimate for 2004 was 293,655,404.
The US Census Bureau's 1999 population estimate was 272,690,813.
china 1,336,718,015 (2011 estimate) US 310,953,000 (2011 estimate)
The population of the US in 2010 was more than 308.4 million residents. This was an estimate of the US Census Bureau.
There are about 158.3 million females in the US (2008 estimate).
The population of the Republic of Georgia (საქართველო) is approximately 4,512,000 (2013 estimate). The population of the US state of Georgia, is around 9,992,167 (2013 estimate).
Some estimate a 2020 population of 40,000,000.
92,407,000 (mid-year estimate)
India Population: 1,147,995,9002008 estimate US Census International DB
According to census.gov, the 2008 population density estimate of the US is 86 people per square mile.
Per the U.S. Census Bureau, the 2007 estimate of the population of California was 36,553,215.