The current metro area population of Hamadan in 2025 is 612,000, a 1.16% increase from 2024.

• The metro area population of Hamadan in 2024 was 605,000, a 1.17% increase from 2023.
• The metro area population of Hamadan in 2023 was 598,000, a 1.01% increase from 2022.
• The metro area population of Hamadan in 2022 was 592,000, a 1.2% increase from 2021.