The current metro area population of St. Louis in 2026 is 2,273,000, a 0.75% increase from 2025.

• The metro area population of St. Louis in 2025 was 2,256,000, a 0.62% increase from 2024.
• The metro area population of St. Louis in 2024 was 2,242,000, a 0.54% increase from 2023.
• The metro area population of St. Louis in 2023 was 2,230,000, a 0.41% increase from 2022.