The current metro area population of Middlesbrough in 2026 is 400,000, a 0.5% increase from 2025.

• The metro area population of Middlesbrough in 2025 was 398,000, a 0.76% increase from 2024.
• The metro area population of Middlesbrough in 2024 was 395,000, a 0.51% increase from 2023.
• The metro area population of Middlesbrough in 2023 was 393,000, a 0.51% increase from 2022.