The current metro area population of Lafayette in 2026 is 402,000, a 1.52% increase from 2025.

• The metro area population of Lafayette in 2025 was 396,000, a 1.54% increase from 2024.
• The metro area population of Lafayette in 2024 was 390,000, a 1.83% increase from 2023.
• The metro area population of Lafayette in 2023 was 383,000, a 1.86% increase from 2022.