The current population of the United States of America is 328,189,389 as of Sunday, February 10, 2019, based on the latest United Nations estimates.
The United States population is equivalent to 4.27% of the total world population.
The U.S.A. ranks number 3 in the list of countries (and dependencies) by population.
The population density in the United States is 36 per Km2 (93 people per mi2).
The total land area is 9,147,420 Km2 (3,531,837 sq. miles)
83.9 % of the population is urban (276,062,331 people in 2019)
The median age in the United States is 37.8 years.
GDP per capita in the USA is $59,531.662 according to the world bank.
But, that doesn't really show the true picture of the GDP per capita in the USA.
If the Trump Administration is going to eliminate the federal government WHOM in the USA will be able to afford clean air and water. The Trump Administration is very guilty of Environmental Injustice.