The current metro area population of Buffalo in 2026 is 895,000, a 0.56% increase from 2025.

• The metro area population of Buffalo in 2025 was 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.