The current metro area population of Buffalo in 2025 is 890,000, a 0.45% increase from 2024.

• The metro area population of Buffalo in 2024 was 886,000, a 0.23% increase from 2023.
• The metro area population of Buffalo in 2023 was 884,000, a 0% increase from 2022.
• The metro area population of Buffalo in 2022 was 884,000, a 0.23% decline from 2021.