The current metro area population of Bologna in 2025 is 819,000, a 0.24% increase from 2024.

• The metro area population of Bologna in 2024 was 817,000, a 0.37% increase from 2023.
• The metro area population of Bologna in 2023 was 814,000, a 0.25% increase from 2022.
• The metro area population of Bologna in 2022 was 812,000, a 0.37% increase from 2021.