St. Louis is a Canadian village in the province of Saskatchewan, south of Prince Albert and northeast of Batoche. It was founded by Métis settlers in the late 19th century, and is the northernmost Southbranch Settlement, a series of communities which range from Fish Creek in the south along the South Saskatchewan River through Batoche and St. Laurent to St. Louis. St. Louis is within the boundaries of the rural municipality St. Louis No. 431. The village has a mayor to govern civic infrastructure and municipal policy. St.