The current metro area population of Saint Petersburg in 2026 is 5,609,000, a 0.21% increase from 2025.

• The metro area population of Saint Petersburg in 2025 was 5,597,000, a 0.27% increase from 2024.
• The metro area population of Saint Petersburg in 2024 was 5,582,000, a 0.38% increase from 2023.
• The metro area population of Saint Petersburg in 2023 was 5,561,000, a 0.45% increase from 2022.