The current metro area population of Rennes in 2025 is 371,000, a 0.82% increase from 2024.

• The metro area population of Rennes in 2024 was 368,000, a 0.82% increase from 2023.
• The metro area population of Rennes in 2023 was 365,000, a 0.83% increase from 2022.
• The metro area population of Rennes in 2022 was 362,000, a 1.12% increase from 2021.