In the
2021 Census of Population conducted by
Statistics Canada, the Summer Village of Ma-Me-O Beach had a population of 128 living in 64 of its 254 total private dwellings, a change of from its 2016 population of 110. With a land area of , it had a population density of in 2021. In the
2016 Census of Population conducted by Statistics Canada, the Summer Village of Ma-Me-O Beach had a population of 110 living in 63 of its 259 total private dwellings, a change from its 2011 population of 113. With a land area of , it had a population density of in 2016. == Arts and culture ==