Saint-Léon-le-Grand, Mauricie should not be confused with Saint-Léon-le-Grand, Bas-Saint-Laurent, Quebec.
| Saint-Léon-le-Grand | |
| Settlement Type: | Parish municipality |
| Pushpin Map: | Canada Central Quebec |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in central Quebec. |
| Coordinates: | 46.3167°N -128°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Mauricie |
| Subdivision Type3: | RCM |
| Subdivision Name3: | Maskinongé |
| Established Title1: | Constituted |
| Established Date1: | July 1, 1855 |
| Named For: | Pope Leo I |
| Leader Title: | Mayor |
| Leader Name: | Robert Lalonde |
| Leader Title1: | Federal riding |
| Leader Name1: | Berthier—Maskinongé |
| Leader Title2: | Prov. riding |
| Leader Name2: | Maskinongé |
| Area Total Km2: | 75.90 |
| Area Land Km2: | 75.97 |
| Area Note: | There is an apparent contradiction between two authoritative sources |
| Population Total: | 863 |
| Population As Of: | 2021 |
| Population Density Km2: | 11.4 |
| Population Blank1 Title: | Pop 2016-2021 |
| Population Blank1: | 7% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 393 |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Postal Code Type: | Postal code(s) |
| Postal Code: | J0K 2W0 |
| Area Code: | 819 |
| Blank Name: | Highways |
Saint-Léon-le-Grand is a parish municipality in the Maskinongé Regional County Municipality in the Mauricie region of the province of Quebec, Canada.
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 75.97km2, it had a population density of in 2021.[1]
Population trend:[2]
Mother tongue: