It is located in western Prince County, west of the junction of Route 155 and Route 152, 150 kilometres (93 mi) from Charlottetown, the provincial capital.
In the 2021 Census of Population conducted by Statistics Canada, St. Louis had a population of 69 living in 33 of its 35 total private dwellings, a change of 4.5% from its 2016 population of 66. With a land area of 0.68 km2 (0.26 sq mi), it had a population density of 101.5/km2 (262.8/sq mi) in 2021.[14]
Education
St. Louis Elementary is the only school in the community. It is administered by the English Language School Board of Prince Edward Island.[15] It offers English or French Immersion classes for students from St. Louis and other communities such as St.Edward, Miminegash, Pleasant View, Waterford, Palmer Road and DeBlois. It was the first school to offer French Immersion in the province.[15]
^"Table 2: Population of Census Subdivisions, 1921–1971". 1971 Census of Canada(PDF). Population. Vol. Census Subdivisions (Historical). Ottawa: Statistics Canada. July 1973. Retrieved February 2, 2022.