In the 2021 Census of Population conducted by Statistics Canada, Brancepeth had a population of 20 living in 12 of its 12 total private dwellings, a change of -42.9% from its 2016 population of 35. With a land area of 0.2 km2 (0.077 sq mi), it had a population density of 100.0/km2 (259.0/sq mi) in 2021.[2]