Us Population 2024 Demographics By Age. 76 rows the population density in the united states is 38 per km 2 (98 people per mi 2). In cbo’s projections, the u.s.
Population increases from 342 million people in 2024 to 383 million people in 2054. 76 rows the population density in the united states is 38 per km 2 (98 people per mi 2).