The current metro area population of Monclova in 2026 is 391,000, a 1.3% increase from 2025.

• The metro area population of Monclova in 2025 was 386,000, a 1.31% increase from 2024.
• The metro area population of Monclova in 2024 was 381,000, a 1.33% increase from 2023.
• The metro area population of Monclova in 2023 was 376,000, a 1.35% increase from 2022.