The current metro area population of Saint Petersburg in 2025 is 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.
• The metro area population of Saint Petersburg in 2022 was 5,536,000, a 0.58% increase from 2021.