In the 2021 Census of Population conducted by Statistics Canada, Saint-Gabriel-de-Rimouski had a population of 1,177 living in 524 of its 581 total private dwellings, a change of 0.9% from its 2016 population of 1,167. With a land area of 126.98 km2 (49.03 sq mi), it had a population density of 9.3/km2 (24.0/sq mi) in 2021.[7]