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Cities in Ontario
51 cities in Ontario with 2021 Census population, growth and demographic profiles.
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Toronto
City · Ontario
2,794,356
people (2021)
Ottawa
City · Ontario
1,017,449
people (2021)
Mississauga
City · Ontario
717,961
people (2021)
Brampton
City · Ontario
656,480
people (2021)
Hamilton
City · Ontario
569,353
people (2021)
London
City · Ontario
422,324
people (2021)
Markham
City · Ontario
338,503
people (2021)
Vaughan
City · Ontario
323,103
people (2021)
Kitchener
City · Ontario
256,885
people (2021)
Windsor
City · Ontario
229,660
people (2021)
Burlington
City · Ontario
186,948
people (2021)
Oshawa
City · Ontario
175,383
people (2021)
Greater Sudbury / Grand Sudbury
City · Ontario
166,004
people (2021)
Barrie
City · Ontario
147,829
people (2021)
Guelph
City · Ontario
143,740
people (2021)
Cambridge
City · Ontario
138,479
people (2021)
St. Catharines
City · Ontario
136,803
people (2021)
Kingston
City · Ontario
132,485
people (2021)
Waterloo
City · Ontario
121,436
people (2021)
Thunder Bay
City · Ontario
108,843
people (2021)
Brantford
City · Ontario
104,688
people (2021)
Pickering
City · Ontario
99,186
people (2021)
Niagara Falls
City · Ontario
94,415
people (2021)
Peterborough
City · Ontario
83,651
people (2021)