Us Population 2024 Demographics. Within that total, however, the individual states showcase a vast range of populations, from more than 40 million residents in california to fewer than a million in wyoming. The current population of united states is 345,785,598 as of september 08, 2024, based on interpolation of the latest united nations data.

Within that total, however, the individual states showcase a vast range of populations, from more than 40 million residents in california to fewer than a million in wyoming. The united states stands firm as the third most populous nation in the world, with roughly 339 million inhabitants and counting.