City Of Austin Population 2024. The report suggests the austin metro’s population would skyrocket, from 2.2 million in 2020 to more than 22 million by 2100. The metro area population of austin in 2023 was 2,228,000, a 2.39% increase from 2022.

Where are all these newcomers settling? Austin has grown by 45,656 in the last year, which represents a 2.05%.