Lantier is a village and municipality in the Laurentides region of Quebec, Canada, part of the Les Laurentides Regional County Municipality.DemographicsPopulation trend: Population in 2011: 828 Population in 2006: 825 Population in 2001: 654 Population in 1996: 631 Population in 1991: 680 Private dwellings occupied by usual residents: 370 Mother tongue: English as first language: 8.6% French as first language: 88.3% English and French as first language: 0% Other as first language: 3.1%EducationSainte Agathe Academy (of the Sir Wilfrid Laurier School Board) in Sainte-Agathe-des-Monts serves English-speaking students in this community for both elementary and secondary levels.