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See also: List of the 100 largest cities in Canada
| Rank in 2001 | Census Metropolitan Area or Census Agglomeration | Population in 2001 | Population Estimate in 2004 |
| 1 | Toronto- Mississauga, Ontario | 4,682,897 | 4,900,000 |
| 2 | Montreal- Laval, Quebec | 3,426,350 | 3,500,000 |
| 3 | Vancouver- Surrey, British Columbia | 1,986,965 | 2,100,000 |
| 4 | Ottawa- Gatineau, Ontario- Quebec | 1,063,664 | 1,200,000 |
| 5 | Calgary, AlbertaAlberta is one of Canada's provinces. Its capital is the city of Edmonton. Other cities and towns include Banff, Calgary, Red Deer, Lethbridge and Medicine Hat. See also: List of communities in Alberta. As of 2004, the population of the province was 3,183 | 951,395 | 1,100,000 |
| 6 | EdmontonEdmonton a Canadian city, is the capital of the province of Alberta. History Edmonton was founded in 1795 when a Hudson's Bay Company Trading Post was established with the construction of Fort Edmonton. John Rowand, a fur trader for the North West Company, AlbertaAlberta is one of Canada's provinces. Its capital is the city of Edmonton. Other cities and towns include Banff, Calgary, Red Deer, Lethbridge and Medicine Hat. See also: List of communities in Alberta. As of 2004, the population of the province was 3,183 | 937,845 | 980,000 |
| 7 | Quebec City- Levis, Quebec | 682,757 | 690,000 |
| 8 | WinnipegWinnipeg (49° 53′ N, 97° 09′ W, CST) is a Canadian city, and the provincial capital of Manitoba. The city is located at the confluence of the Red and Assiniboine rivers, and is protected from flooding by the Red River Floodway. It is the provi, Manitoba | 671,274 | 680,000 |
| 9 | Hamilton- Burlington, Ontario | 662,401 | 680,000 |
| 10 | London, Ontario | 432,451 | 440,000 |
| 11 | Kitchener- Cambridge- Waterloo, Ontario | 414,284 | 430,000 |
| 12 | St. Catharines- Niagara Falls- Welland, Ontario | 377,009 | 380,000 |
| 13 | Halifax, Nova Scotia | 359,183 | 370,000 |
| 14 | Victoria- Saanich, British Columbia | 311,902 | 320,000 |
| 15 | Windsor, Ontario | 307,877 | 320,000 |
| 16 | Oshawa- Whitby- Clarington, Ontario | 296,298 | 310,000 |
| 17 | Saskatoon, Saskatchewan | 225,927 | 230,000 |
| 18 | Regina, Saskatchewan | 192,800 | 190,000 |
| 19 | St. John's- Mount Pearl- Conception Bay South , Newfoundland and Labrador | 172,918 | 170,000 |
| 20 | Greater Sudbury, Ontario | 155,601 | 150,000 |
| 21 | Saguenay, Quebec | 154,938 | 150,000 |
| 22 | Sherbrooke, Quebec | 153,811 | 160,000 |
| 23 | Barrie- Innisfil- Springwater, Ontario | 148,480 | 160,000 |
| 24 | Kelowna- Central Okanagan H , British Columbia | 147,739 | 150,000 |
| 25 | Abbotsford- Mission, British Columbia | 147,370 | 150,000 |
| 26 | Kingston- South Frontenac, Ontario | 146,838 | 150,000 |
| 27 | Trois-Rivieres, Quebec | 137,507 | 130,000 |
| 28 | Saint John- Quispamsis, New Brunswick | 122,678 | 120,000 |
| 29 | Thunder Bay, Ontario | 121,986 | 120,000 |
| 30 | Moncton- Riverview- Dieppe, New Brunswick | 117,727 | 120,000 |
| 31 | Guelph, Ontario | 117,344 | 120,000 |
| 32 | Cape Breton, Nova Scotia | 109,330 | 100,000 |
| 33 | Chatham-Kent, Ontario | 107,709 | 100,000 |
| 34 | Peterborough- Smith-Ennismore-Lakefield, Ontario | 102,423 | 110,000 |
| 35 | Sarnia- St. Clair, Ontario | 88,331 | 87,000 |
| 36 | Belleville- Quinte West, Ontario | 87,395 | 87,000 |
| 37 | Kamloops, British Columbia | 86,491 | 87,000 |
| 38 | Brantford, Ontario | 86,417 | 87,000 |
| 39 | Nanaimo, British Columbia | 85,664 | 87,000 |
| 40 | Prince George, British Columbia | 85,035 | 84,000 |
| 41 | Fredericton, New Brunswick | 81,346 | 83,000 |
| 42 | Saint-Jean-sur-Richelieu, Quebec | 79,600 | 81,000 |
| 43 | Sault Ste. Marie, Ontario | 78,908 | 76,000 |
| 44 | Chilliwack, British Columbia | 69,776 | 71,000 |
| 45 | Kawartha Lakes, Ontario | 69,179 | 70,000 |
| 46 | Drummondville- Saint-Nicephore , Quebec | 68,451 | 70,000 |
| 47 | Red Deer, Alberta | 67,707 | 70,000 |
| 48 | Lethbridge, Alberta | 67,374 | 69,000 |
| 49 | North Bay, Ontario | 63,681 | 63,000 |
| 50 | Medicine Hat, Alberta | 61,735 | 64,000 |
| 51 | Norfolk, Ontario | 60,847 | 61,000 |
| 52 | Granby- Granby Canton , Quebec | 60,264 | 61,000 |
| 53 | Charlottetown- Stratford, Prince Edward Island | 58,358 | 59,000 |
| 54 | Cornwall- South Stormont , Ontario | 57,581 | 57,000 |
| 55 | Shawinigan, Quebec | 57,304 | 57,000 |
| 56 | Vernon- Coldstream , British Columbia | 51,530 | 52,000 |
| 57 | Saint-Hyacinthe, Quebec | 49,536 | 49,000 |
| 58 | Rimouski, Quebec | 47,688 | 47,000 |
| 59 | Courtenay - Comox- Comox-Strathcona B - Comox-Strathcona A , British Columbia | 47,051 | 48,000 |
| 60 | Leamington- Kingsville, Ontario | 46,757 | 48,000 |
| 61 | Brockville- Elizabethtown-Kitley- Augusta , Ontario | 44,741 | 44,000 |
| 62 | Truro- Colchester, Subd. B - Colchester, Subd. C , Nova Scotia | 44,276 | 45,000 |
| 63 | Timmins, Ontario | 43,686 | 41,000 |
| 64 | Wood Buffalo, Alberta | 42,602 | 46,000 |
| 65 | Penticton- Okanagan-Similkameen D , Brtish Columbia | 41,574 | 42,000 |
| 66 | Prince Albert, Saskatchewan | 41,460 | 41,000 |
| 67 | Victoriaville, Quebec | 41,233 | 42,000 |
| 68 | Brandon, Manitoba | 41,037 | 42,000 |
| 69 | Sorel-Tracy, Quebec | 40,956 | 40,000 |
| 70 | Orillia- Severn, Ontario | 40,256 | 41,000 |
| 71 | Salaberry-de-Valleyfield, Quebec | 39,028 | 39,000 |
| 72 | Duncan- North Cowichan , British Columbia | 38,813 | 39,000 |
| 73 | Grande Prairie, Alberta | 36,983 | 39,000 |
| 74 | New Glasgow- Pictou, Subd. C - Pictou,Subd. B - Stellarton- Westville , Nova Scotia | 36,735 | 36,000 |
| 75 | Rouyn-Noranda, Quebec | 36,308 | 35,000 |
| 76 | Joliette- Saint-Charles-Borromee - Notre-Dame-des-Prairies , Quebec | 35,821 | 36,000 |
| 77 | Campbell River- Comox-Strathcona D , British Columbia | 33,872 | 34,000 |
| 78 | Midland- Tay- Penetanguishene, Ontario | 33,692 | 34,000 |
| 79 | Moose Jaw, Saskatchewan | 33,519 | 33,000 |
| 80 | Woodstock, Ontario | 33,061 | 34,000 |
| 81 | Val-d'Or, Quebec | 32,423 | 32,000 |
| 82 | Owen Sound- Georgian Bluffs, Ontario | 31,538 | 31,000 |
| 83 | Alma, Quebec | 30,126 | 30,000 |
| 84 | Stratford, Ontario | 29,676 | 30,000 |
| 85 | Baie-Comeau, Quebec | 28,940 | 28,000 |
| 86 | Saint-Georges, Quebec | 28,127 | 29,000 |
| 87 | Cold Lake - Bonnyville No. 87 - Bonnyville , Alberta | 27,935 | 28,000 |
| 88 | Sept-Īles, Quebec | 26,952 | 26,000 |
| 89 | Thetford Mines, Quebec | 26,323 | 26,000 |
| 90 | Corner Brook, Newfoundland and Labrador | 25,747 | 25,000 |
| 91 | Port Alberni- Albernia-Clayoquot E , British Columbia | 25,396 | 25,000 |
| 92 | Kentville- Kings, Subd. B - Kings, Subd. C , Nova Scotia | 25,172 | 26,000 |
| 93 | Williams Lake- Cariboo F - Cariboo E - Cariboo D , British Columbia | 25,122 | 26,000 |
| 94 | Quesnel- Cariboo A - Cariboo B , British Columbia | 24,426 | 24,000 |
| 95 | Parksville- Nanaimo G - Qualicum Beach, British Columbia | 24,285 | 25,000 |
| 96 | Cranbrook- East Kootenay C , British Columbia | 24,275 | 25,000 |
| 97 | Bathurst- Bathurst Parish - Beresford , New Brunswick | 23,935 | 23,000 |
| 98 | Pembroke- Laurentian Valley , Ontario- Quebec | 23,608 | 23,000 |
| 99 | Magog, Quebec | 22,535 | 23,000 |
| 100 | Riviere-du-Loup- Saint-Antonin , Quebec | 22,339 | 22,000 |