Saint-Eugène-d'Argentenay is a municipality in the Canadian province of Quebec, located within the regional county municipality of Maria-Chapdelaine. The municipality had a population of 487 as of the Canada 2021 Census. Prior to 1997 it was known simply as Saint-Eugène.

Demographics

Population trend:

• Population in 2021: 487 (2011 to 2016 population change: -0.2%)
• Population in 2016: 488 (2011 to 2016 population change: -10.6%)
• Population in 2011: 546 (2006 to 2011 population change: -4.5%)
• Population in 2006: 572
• Population in 2001: 608
• Population in 1996: 651
• Population in 1991: 692
• Population in 1986: 715
• Population in 1981: 689
• Population in 1976: 669
• Population in 1971: 751
• Population in 1966: 1,024
• Population in 1961: 1,067
• Population in 1956: 1,137
• Population in 1951: 1,058
• Population in 1941: 945
• Population in 1931: 556

Private dwellings occupied by usual residents: 206 (total dwellings: 221)

Mother tongue:

• English as first language: 1%
• French as first language: 99%
• English and French as first language: 1%
• Other as first language: 0%