In the 2021 Census of Population conducted by Statistics Canada, Gillies had a population of 441 living in 186 of its 208 total private dwellings, a change of -7% from its 2016 population of 474. With a land area of 92.68 km2 (35.78 sq mi), it had a population density of 4.8/km2 (12.3/sq mi) in 2021.[2]
^ a b c"Census Profile, 2016 Census: Gillies, Township". Statistics Canada. 8 February 2017. Retrieved July 13, 2019.
^"Population and dwelling counts: Canada, provinces and territories, census divisions and census subdivisions (municipalities), Ontario". Statistics Canada. February 9, 2022. Retrieved April 2, 2022.
^"2021 Community Profiles". 2021 Canadian Census. Statistics Canada. February 4, 2022. Retrieved 2023-10-19.
^"2016 Community Profiles". 2016 Canadian Census. Statistics Canada. August 12, 2021. Retrieved 2019-07-13.
^"2011 Community Profiles". 2011 Canadian Census. Statistics Canada. March 21, 2019. Retrieved 2012-03-29.
^"2006 Community Profiles". 2006 Canadian Census. Statistics Canada. August 20, 2019.
^"2001 Community Profiles". 2001 Canadian Census. Statistics Canada. July 18, 2021.