The current metro area population of Sanhe in 2025 is 697,000, a 2.8% increase from 2024.

• The metro area population of Sanhe in 2024 was 678,000, a 3.35% increase from 2023.
• The metro area population of Sanhe in 2023 was 656,000, a 3.96% increase from 2022.
• The metro area population of Sanhe in 2022 was 631,000, a 4.3% increase from 2021.