Chatham Population 2026
Chatham has a population of 43,550, making it the #128 biggest city in 🇨🇦 Canada, located in Ontario. Roughly 0.1% of Canada's population lives here. It is about 64× smaller than Toronto, the country's biggest city.
Population (city proper)
43,550
Rank in Canada
#128
Coordinates
42.41°N, 82.18°W
~183 m elevation · America/Toronto
Distance to capital (Ottawa)
617 km
383 miles, straight line
Other big cities in Ontario
Cities near Chatham
- Leamington35,730 people · ~53 km away
- Kingsville22,119 people · ~57 km away
- Tecumseh23,229 people · ~58 km away
- Sarnia72,125 people · ~65 km away
- Windsor229,660 people · ~69 km away
- LaSalle32,721 people · ~74 km away
FAQ
What is the population of Chatham?
Chatham has a population of 43,550 (city proper, latest official figure via GeoNames), making it the #128 biggest city in Canada.
What region is Chatham in?
Chatham is located in Ontario, Canada.
Is Chatham the capital of Canada?
No, the capital of Canada is Ottawa, about 617 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.