The current metro area population of Gaoan in 2025 is 542,000, a 2.65% increase from 2024.

• The metro area population of Gaoan in 2024 was 528,000, a 2.92% increase from 2023.
• The metro area population of Gaoan in 2023 was 513,000, a 3.43% increase from 2022.
• The metro area population of Gaoan in 2022 was 496,000, a 3.77% increase from 2021.