The current metro area population of Chattanooga in 2025 is 437,000, a 0.92% increase from 2024.

• The metro area population of Chattanooga in 2024 was 433,000, a 0.7% increase from 2023.
• The metro area population of Chattanooga in 2023 was 430,000, a 0.94% increase from 2022.
• The metro area population of Chattanooga in 2022 was 426,000, a 0.71% increase from 2021.