The current metro area population of Seattle in 2025 is 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.
• The metro area population of Seattle in 2022 was 3,489,000, a 0.81% increase from 2021.