Us Population 2024 By State. By comparison, the state with the lowest population growth at the start. The united states stands firm as the third most populous nation in the world, with roughly 339 million inhabitants and counting.
The greatest rate of growth at the start of 2023 belonged to utah (1.50%), followed by idaho (1.43%) and texas (1.34%). The current population of united states is 345,914,439 based on projections of the latest united nations data.