Current Population Of Usa 2024 By Age. The current population of united states is 346,054,448 based on projections of the latest united nations data. According to united nations, population of us in 2024 is estimated to be 334.805 million, with a growth rate of 0.57%.

Population age 65 and over grew from 2010 to 2020 at fastest rate since 1880 to 1890 and reached 55.8 million, a 38.6% increase in just 10 years. The median age in the united states is 38.3 years (2024).