The current metro area population of Hamilton in 2026 is 800,000, a 0.88% increase from 2025.

• The metro area population of Hamilton in 2025 was 793,000, a 0.76% increase from 2024.
• The metro area population of Hamilton in 2024 was 787,000, a 0.77% increase from 2023.
• The metro area population of Hamilton in 2023 was 781,000, a 0.64% increase from 2022.