St. Catharines-Niagara, Canada Metro Area Population (1950-2026)
The current metro area population of St. Catharines-Niagara in 2026 is 434,000, a 0.93% increase from 2025.
- The metro area population of St. Catharines-Niagara in 2025 was 430,000, a 0.7% increase from 2024.
- The metro area population of St. Catharines-Niagara in 2024 was 427,000, a 0.71% increase from 2023.
- The metro area population of St. Catharines-Niagara in 2023 was 424,000, a 0.71% increase from 2022.
The full historical dataset is available for download here: St. Catharines-Niagara, Canada Metro Population | Historical Data | 1950-2026.