As a designated place in the 2016 Census of Population conducted by Statistics Canada, Acadia Valley had a population of 149 living in 71 of its 82 total private dwellings, a change of  from its 2011 population of 137.
In 2016, Statistics Canada designated Acadia Valley as a census place, reporting a population of 149 people residing in 71 out of its 82 total private dwellings. This represents an increase from its 2011 population of 137.