In the 2021 Census of Population conducted by Statistics Canada, Red Sucker Lake had a population of 10 living in 5 of its 8 total private dwellings, a change of -33.3% from its 2016 population of 15. With a land area of 0.65 km2 (0.25 sq mi), it had a population density of 15.4/km2 (39.8/sq mi) in 2021.[1]