In the
2021 Census of Population conducted by
Statistics Canada, the Town of Calmar had a population of 2,183 living in 893 of its 937 total private dwellings, a change of from its 2016 population of 2,228. With a land area of , it had a population density of in 2021. In the
2016 Census of Population conducted by Statistics Canada, the Town of Calmar recorded a population of 2,228 living in 842 of its 861 total private dwellings, a change from its 2011 population of 1,970. With a land area of , it had a population density of in 2016. The population of the Town of Calmar according to its
2014 municipal census is 2,101, a change from its 2009 municipal census population of 2,033. == Economy ==