The current metro area population of Thrissur in 2025 is 3,720,000, a 3.19% increase from 2024.

• The metro area population of Thrissur in 2024 was 3,605,000, a 3.53% increase from 2023.
• The metro area population of Thrissur in 2023 was 3,482,000, a 3.91% increase from 2022.
• The metro area population of Thrissur in 2022 was 3,351,000, a 4.3% increase from 2021.