In the 2021 Census of Population conducted by Statistics Canada, Warden had a population of 362 living in 155 of its 163 total private dwellings, a change of -0.3% from its 2016 population of 363. With a land area of 5.46 km2 (2.11 sq mi), it had a population density of 66.3/km2 (171.7/sq mi) in 2021.[5]
^ a bMinistère des Affaires municipales, des Régions et de l'Occupation du territoire: Warden
^Parliament of Canada Federal Riding History: SHEFFORD (Quebec)
^ a b2011 Statistics Canada Census Profile: Warden, Quebec
^"Population and dwelling counts: Canada, provinces and territories, and census subdivisions (municipalities), Quebec". Statistics Canada. February 9, 2022. Retrieved August 28, 2022.
^Statistics Canada: 1996, 2001, 2006, 2011 census
^2006 Statistics Canada Community Profile: Warden, Quebec