In the 2021 Census of Population conducted by Statistics Canada, Oakville had a population of 652 living in 253 of its 263 total private dwellings, a change of  from its 2016 population of 621.
In the 2021 Census of Population conducted by Statistics Canada, Oakville had a population of 652 living in 253 of its 263 total private dwellings, a change from its 2016 population of 621.