In the
2021 Census of Population conducted by
Statistics Canada, Desbiens had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021. Population trend: • Population in 2021: 995 (2016 to 2021 population change: -3.2%) • Population in 2016: 1028 • Population in 2011: 1053 • Population in 2006: 1074 • Population in 2001: 1128 • Population in 1996: 1202 • Population in 1991: 1265 Mother tongue: • English as first language: 0% • French as first language: 98.6% • English and French as first language: 0% • Other as first language: 1.4% ==See also==