St. Marys
- Country:
- Canada
- Continent:
- North America
St. Marys's 2026 population is now estimated at 8,282.In 2001, the population of St. Marys was 6,526.St. Marys has grown by 79 in the last year, which represents a 0.96% 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.