In the 2021 Census of Population conducted by Statistics Canada, Cleveland had a population of 1,581 living in 588 of its 696 total private dwellings, a change of 2.6% from its 2016 population of 1,541. With a land area of 123.59 km2 (47.72 sq mi), it had a population density of 12.8/km2 (33.1/sq mi) in 2021.[5]