The current metro area population of Bilbao in 2025 is 347,000, a 0% increase from 2024.

• The metro area population of Bilbao in 2024 was 347,000, a 0% increase from 2023.
• The metro area population of Bilbao in 2023 was 347,000, a 0.29% decline from 2022.
• The metro area population of Bilbao in 2022 was 348,000, a 0.29% decline from 2021.