The current metro area population of Seattle in 2026 is 3,613,000, a 0.89% increase from 2025.

• The metro area population of Seattle in 2025 was 3,581,000, a 0.9% increase from 2024.
• The metro area population of Seattle in 2024 was 3,549,000, a 0.85% increase from 2023.
• The metro area population of Seattle in 2023 was 3,519,000, a 0.86% increase from 2022.