Cities in Ontario - Best Places to Visit

There are 144 cities in Ontario. Toronto is the most popular city with a population of 2,794,356.

25

Cornwall, Ontario

City in Ontario, known for its rivers

Pop. 48,821

26

Peterborough, Ontario

City in Ontario known for its lakes

Pop. 85,807

27

Cambridge, Ontario

City in Ontario, known for its technology

Pop. 129,920

28

Brockville

City in Ontario, Canada

Pop. 23,886

29

Timmins

City in Canada with a mining history

Pop. 41,788

30

Stratford, Ontario

City in Ontario, known for its festivals.

Pop. 31,465

31

North Bay, Ontario

City in Ontario, Canada

Pop. 50,396

32

Pickering, Ontario

City in Canada located near Lake Ontario

Pop. 91,771

33

Richmond Hill, Ontario

Growing suburban city in Ontario, Canada

Pop. 202,022

34

Ajax, Ontario

City in Canada, part of the Greater Toronto Area

Pop. 119,677

35

Whitby, Ontario

City in Ontario, known for its suburban life

Pop. 138,501

36

Niagara-on-the-Lake

Historic town in Ontario, Canada near Niagara Falls

Pop. 17,511

37

Newmarket, Ontario

City in Ontario, Canada

Pop. 91,034

38

Welland

City in Ontario with a vibrant community

Pop. 52,293

39

Orillia

City in Ontario known for its lakeside parks

Pop. 31,166

40

Pembroke, Ontario

City in Canada near Ottawa River

Pop. 13,882

41

Aurora, Ontario

City in Ontario, Canada with suburban developments

Pop. 55,445

42

St. Thomas, Ontario

City in Ontario, Canada, near Lake Erie

Pop. 38,909

43

Kenora

City in Ontario located on Lake of the Woods

Pop. 15,096

44

Owen Sound

City in Ontario, Canada, on Georgian Bay

Pop. 21,341

45

Greater Napanee

City in Ontario near Lake Ontario

Pop. 15,892

46

Milton, Ontario

City in Ontario, Canada

Pop. 132,979

47

Caledon, Ontario

City in Ontario, Canada

Pop. 76,581

48

Cobourg

Ontario city on Lake Ontario's shoreline

Pop. 18,099

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