What are the 5 largest cities in Ontario?
The Census of metropolitan populations in 2006 of the 5 largest cities in Ontario were: Toronto: 5,113,149 Ottawa: 1,130,761 Hamilton: 692,911 London: 457,720 Kitchener: 451,235* *Metro Kitchener is estimated to have surpassed Metro London’s population since the census switching their places on the list. Waterloo is included in the Metro Kitchener area.