Population of Mont-Saint-Hilaire, Canada as of February 2026. How many people live in Mont-Saint-Hilaire today?

The exact population of Mont-Saint-Hilaire as of February 2026 is estimated at 18,859 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Mont-Saint-Hilaire.

Check out more data on population in Canada:

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