The current metro area population of Blida in 2025 is 536,000, a 2.29% increase from 2024.

• The metro area population of Blida in 2024 was 524,000, a 2.34% increase from 2023.
• The metro area population of Blida in 2023 was 512,000, a 2.61% increase from 2022.
• The metro area population of Blida in 2022 was 499,000, a 2.67% increase from 2021.