#
of
< what's the formula?

Demographics of the United States

As of January 17, 2014, the United States has a total resident population of 317,490,000, making it the third-most populous country in the world. It is very urbanized, with 82% residing in cities and suburbs as of 2011. Much of the country is nearly uninhabited. California and Texas are the most populous states, as the mean center of U.S. population has consistently shifted westward and southward. New York City is the most populous city in the United States. The tot...

... more on Wikipedia