Black River-Matheson
- Country:
- Canada
- Continent:
- North America
Black River-Matheson's 2026 population is now estimated at 2,953. In 2001, the population of Black River-Matheson was 3,020. Black River-Matheson has grown by 54 in the last year, which represents a 1.86% 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 .