Pierreville is a community in Nicolet-Yamaska Regional County Municipality, Quebec, located at the confluence of the Saint Lawrence and Saint-François rivers, at the edge of Lac Saint-Pierre. The population as of the Canada 2011 Census was 2,176.Pierreville faces the town of Saint-François-du-Lac across the Saint-François river, and lies at the junction of Route 132 and Route 226. Part of the Abenaki Indian reserve of Odanak is an enclave within the city limits of Pierreville. The limits of the reserve begin only a short walk away from the town's main street.HistoryOn 21 August 1991, an F3 tornado, the "tornade de Maskinongé", touched down in Notre-Dame-de-Pierreville (today part of Pierreville), destroying a number of summer homes in the area and injuring 15 people.On June 13, 2001, the parish municipalities of Notre-Dame-de-Pierreville and Saint-Thomas-de-Pierreville merged with the village municipality of Pierreville to form the new municipality of Pierreville.DemographicsPopulationPopulation trend: Amalgamation of the Parishes of Notre-Dame-de-Pierreville, Saint-Thomas-de-Pierreville, and the Village of Pierreville on June 13, 2001.