The current metro area population of Khorramabad in 2025 is 421,000, a 1.2% increase from 2024.

• The metro area population of Khorramabad in 2024 was 416,000, a 1.22% increase from 2023.
• The metro area population of Khorramabad in 2023 was 411,000, a 1.48% increase from 2022.
• The metro area population of Khorramabad in 2022 was 405,000, a 1.25% increase from 2021.