The population of Sainte-Marthe-sur-le-Lac, Canada in February 2026. How many residents now in Sainte-Marthe-sur-le-Lac?

The estimated population of Sainte-Marthe-sur-le-Lac as of February 2026 is around 19,797 residents. Please note: this population number is an estimate and may slightly change as people get born and die, it also depends on migration to/from Sainte-Marthe-sur-le-Lac.

Check out more data on population in Canada:

• Matane
• Sainte-Adèle
• Rosemère
• Lachute
• Mont-Laurier
• Lavaltrie
• Mercier