In the 2021 Census of Population conducted by Statistics Canada, Wells had a population of 218 living in 113 of its 156 total private dwellings, a change of  from its 2016 population of 217.
In the 2021 Census of Population conducted by Statistics Canada, Wells experienced a change in its population count, moving from 217 residents in 2016 to 218 in 2021, as reflected in the distribution across its private dwellings.