Saint-Léon-le-Grand is a parish municipality in the Maskinongé Regional County Municipality in the Mauricie region of the province of Quebec, Canada. Demographics In the 2021 Census of Population conducted by Statistics Canada, Saint-Léon-le-Grand 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: 863 (2016 to 2021 population change: -7%) Population in 2016: 928 Population in 2011: 992 Population in 2006: 965 Population in 2001: 966 Population in 1996: 955 Population in 1991: 925 Mother tongue: English as first language: 0% French as first language: 100% English and French as first language: 0% Other as first language: 0% References Parish municipalities in Quebec Incorporated places in Mauricie