The current metro area population of Piracicaba in 2025 is 419,000, a 0.96% increase from 2024.

• The metro area population of Piracicaba in 2024 was 415,000, a 0.73% increase from 2023.
• The metro area population of Piracicaba in 2023 was 412,000, a 0.98% increase from 2022.
• The metro area population of Piracicaba in 2022 was 408,000, a 0.74% increase from 2021.