Population Of Us 2025. The un estimates the july 1, 2025 population at 341,814,420. Shows estimates of current usa population overall and people by us state/county and of world population overall, by country and most populated countries.

Los angeles and chicago follow, each with more than 2.5 million residents, and southern us cities houston and phoenix round out the top five with populations of almost 2.3 million and 1.6 million, respectively. Birds begin migrating to the state in.