The current metro area population of Xinbei in 2026 is 4,591,000, a 0.59% increase from 2025.

• The metro area population of Xinbei in 2025 was 4,564,000, a 0.64% increase from 2024.
• The metro area population of Xinbei in 2024 was 4,535,000, a 0.69% increase from 2023.
• The metro area population of Xinbei in 2023 was 4,504,000, a 0.74% increase from 2022.