Ontario Cities by Population (1 to 20)

Search cities in Ontario, Canada. Find out the population, time zones, current time and more Ontario facts.

City Region Country Population
Toronto Ontario Canada 2,600,000
Ottawa Ontario Canada 812,129
Mississauga Ontario Canada 668,549
Hamilton Ontario Canada 519,949
Brampton Ontario Canada 433,806
London Ontario Canada 346,765
Oshawa Ontario Canada 308,875
Windsor Ontario Canada 278,013
Markham Ontario Canada 261,573
Vaughan Ontario Canada 238,866
Kitchener Ontario Canada 233,700
Richmond Hill Ontario Canada 185,541
Barrie Ontario Canada 182,041
Nepean Ontario Canada 180,000
Oakville Ontario Canada 165,697
Burlington Ontario Canada 164,415
Greater Sudbury Ontario Canada 157,857
St. Catharines Ontario Canada 131,989
Cambridge Ontario Canada 120,372
Guelph Ontario Canada 115,760
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