The population of Waterloo, Canada in September 2025. How many residents now in Waterloo?

Canada / Waterloo
The estimated population of Waterloo as of September 2025 is around 121,436 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 Waterloo.



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This population of Waterloo is provided by the local bureau of statistics.
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