About Middlesex County
Middlesex County is a city located in Canada, in the Ontario region. According to the latest available data (2026), the population of Middlesex County is approximately 455,526 residents, making it the #30 most populous city in Canada.
Globally, Middlesex County ranks #4,086 among the world's most populated cities.
Middlesex County City Statistics
| City | Middlesex County |
| Country |  Canada |
| Population | 455,526 |
| Global Rank | #4,086 |
| Rank in Canada | #30 of 115 cities |
| City Category | city |
| Region | Ontario |
| Latitude | 43 |
| Longitude | -81.5 |
| Data Year | 2026 |
Where is Middlesex County Located?
Middlesex County is located in Canada, in the Ontario region, at coordinates 43° latitude and -81.5° longitude. Located in the mid-latitudes, Middlesex County 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 Middlesex County?
The population of Middlesex County is approximately 455,526 residents according to the latest available data (2026).
Where is Middlesex County located?
Middlesex County is located in Canada at approximately 43° latitude and -81.5° longitude.
Is Middlesex County one of the largest cities in Canada?
With a population of 455,526, Middlesex County is one of the notable urban areas in Canada. It ranks #30 out of 115 cities in the country.
