The current metro area population of Darbhanga in 2025 is 383,000, a 2.13% increase from 2024.

• The metro area population of Darbhanga in 2024 was 375,000, a 1.9% increase from 2023.
• The metro area population of Darbhanga in 2023 was 368,000, a 1.66% increase from 2022.
• The metro area population of Darbhanga in 2022 was 362,000, a 1.69% increase from 2021.