The current metro area population of Bonn in 2025 is 320,000, a 0% increase from 2024.

• The metro area population of Bonn in 2024 was 320,000, a 0% increase from 2023.
• The metro area population of Bonn in 2023 was 320,000, a 0% increase from 2022.
• The metro area population of Bonn in 2022 was 320,000, a 0% increase from 2021.