The largest city in Ontario, Canada, is Toronto, with a population of 2.6 million as of the 2011 census. Ottawa is the second-largest city, with 883,391 people, followed by Mississauga, with 713,443 people.Continue Reading
Brampton is Ontario���s fourth-largest city with 523,911 residents, followed by Hamilton, with a population of 519,949 people. Ontario���s sixth-largest city is London, which is home to 366,151 Canadians, followed by Markham, with 301,709 people.
Other major cities in Ontario include Vaughan, with 288,301 people; Kitchener, with 219,153 people; and Windsor, with a population of 210,891 people. The population of Ontario is 13,678,740 people, while the population of Canada is 35,540,419.Learn more about Canada