St. Catharines
- Country:
- Canada
- Continent:
- North America
St. Catharines's 2026 population is now estimated at 156,617.In 2001, the population of St. Catharines was 134,370.St. Catharines has grown by 2,752 in the last year, which represents a 1.79% annual change.These population values and projections come from Statistics Canada Table 17-10-0155-01: Population estimates, July 1, by census subdivision, 2021 boundaries and World Population Review Internal Projections.