In the 2021 Census of Population conducted by Statistics Canada, Portugal Cove South had a population of 86 living in 47 of its 85 total private dwellings, a change of -42.7% from its 2016 population of 150.[2] With a land area of 1.08 km2 (0.42 sq mi), it had a population density of 79.6/km2 (206.2/sq mi) in 2021.[1]