The total population of United States is 326,766,748 people. In United States, the population density is 32.79 people per square kilometer (85 per square mile). Because of this statistic, this country is considered to be sparsely populated. The ethnic diversity is diverse according to a fractionalization scale which for United States is 0.4901. United States has approximately 46627102 foreign immigrants.http://www.confiduss.com/en/jurisdictions/the-united-states/demographics/
