Atlanta City Population 2025 By Age. Atlanta population in 2025 is estimated to be 504,759, covering area of 136.76 sq miles (354.22 sq km). Full demographic report of atlanta, ga population including education levels, household income, job market, ethnic makeup, and languages.

In 2021, the median age in atlanta was 33.4 years, with a median income of. Atlanta, georgia is the 37th largest city in the us.