United States Population 2024 By State Population. The median age in the united states is 38.3 years (2024). Population increases from 342 million people in 2024 to 383 million people in 2054.

Shows estimates of current usa population overall and people by us state/county and of world population overall, by country and most populated countries. Population increases from 342 million people in 2024 to 383 million people in 2054.