In the 2021 Census of Population conducted by Statistics Canada, McTaggart had a population of 125 living in 42 of its 44 total private dwellings, a change of 3.3% from its 2016 population of 121. With a land area of 0.75 km2 (0.29 sq mi), it had a population density of 166.7/km2 (431.7/sq mi) in 2021.[8]
In the 2016 Census of Population, the Village of McTaggart recorded a population of 121 living in 41 of its 43 total private dwellings, a -3.3% change from its 2011 population of 125. With a land area of 0.69 km2 (0.27 sq mi), it had a population density of 175.4/km2 (454.2/sq mi) in 2016.[9]