The current metro area population of St. Louis in 2025 is 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.
• The metro area population of St. Louis in 2022 was 2,221,000, a 0.23% increase from 2021.