Saint-Luc-de-Vincennes is a municipality in the Mauricie region of the province of Quebec in Canada. It is the seat of the RCM of Les Chenaux.DemographicsPopulation trend: Population in 2011: 591 Population in 2006: 553 Population in 2001: 609 Population in 1996: 623 Population in 1991: 618 Private dwellings occupied by usual residents: 261 Mother tongue: English as first language: 2.7% French as first language: 93.6% English and French as first language: 0% Other as first language: 3.7%