Us Population 2024 In Million. 334.9 million people lived in the united states in 2023. United states population by age and sex.

America’s population grew by more than 1.75 million over 2023 and at midnight on new year’s day, the population is expected to be 335,893,238, the u.s. By 2100, the united states will be home to 366 million people, according to census bureau projections.