The current metro area population of Tongliao in 2025 is 788,000, a 1.94% increase from 2024.

• The metro area population of Tongliao in 2024 was 773,000, a 2.25% increase from 2023.
• The metro area population of Tongliao in 2023 was 756,000, a 2.3% increase from 2022.
• The metro area population of Tongliao in 2022 was 739,000, a 2.5% increase from 2021.