Using Census data, [it has been determined] that half of the United States population is clustered in just the 146 biggest counties out of over 3000.
Half Of The United States Lives In These Counties – Business Insider.
Using Census data, [it has been determined] that half of the United States population is clustered in just the 146 biggest counties out of over 3000.
Half Of The United States Lives In These Counties – Business Insider.