The current metro area population of San Diego in 2025 is 3,373,000, a 0.84% increase from 2024.

• The metro area population of San Diego in 2024 was 3,345,000, a 0.78% increase from 2023.
• The metro area population of San Diego in 2023 was 3,319,000, a 0.73% increase from 2022.
• The metro area population of San Diego in 2022 was 3,295,000, a 0.7% increase from 2021.