About Regional Municipality of Waterloo
Regional Municipality of Waterloo is a mid-sized city located in Canada, in the Ontario region. According to the latest available data (2026), the population of Regional Municipality of Waterloo is approximately 535,154 residents, making it the #26 most populous city in Canada.
Globally, Regional Municipality of Waterloo ranks #3,508 among the world's most populated cities.
Regional Municipality of Waterloo City Statistics
| City | Regional Municipality of Waterloo |
| Country |  Canada |
| Population | 535,154 |
| Global Rank | #3,508 |
| Rank in Canada | #26 of 115 cities |
| City Category | mid-sized city |
| Region | Ontario |
| Latitude | 43.4667 |
| Longitude | -80.5 |
| Data Year | 2026 |
Population Comparison
To put Regional Municipality of Waterloo's population of 535,154 into perspective:
- Regional Municipality of Waterloo has over 535,000 residents.
Where is Regional Municipality of Waterloo Located?
Regional Municipality of Waterloo is located in Canada, in the Ontario region, at coordinates 43.4667° latitude and -80.5° longitude. Located in the mid-latitudes, Regional Municipality of Waterloo experiences distinct four-season weather patterns.
Nearby Cities
Other Cities in Canada
Largest Cities in Canada
| # | City | Population |
|---|---|---|
| 1 | Lower Mainland | 2,524,113 |
| 2 | Urban agglomeration of Montreal | 2,004,265 |
| 3 | Montreal | 1,895,211 |
| 4 | National Capital Region | 1,488,307 |
| 5 | Montérégie | 1,460,933 |
Frequently Asked Questions
What is the population of Regional Municipality of Waterloo?
The population of Regional Municipality of Waterloo is approximately 535,154 residents according to the latest available data (2026).
Where is Regional Municipality of Waterloo located?
Regional Municipality of Waterloo is located in Canada at approximately 43.4667° latitude and -80.5° longitude.
Is Regional Municipality of Waterloo one of the largest cities in Canada?
With a population of 535,154, Regional Municipality of Waterloo is one of the notable urban areas in Canada. It ranks #26 out of 115 cities in the country.
