In some of Canada's provinces census divisions are equivalent to counties. They may also be known by different names in different provinces, or in different parts of provinces. The below table shows the largest and smallest census division in Canada and the provinces and territories by area and by population.[1]
| Smallest (km2) | Largest (km2) | |
| Canada | L'Île-d'Orléans, Quebec (192.81) | Baffin Region, Nunavut (989,889.18) |
| Alberta | Division No. 8 (9,908.36) | Division No. 17 (192,115.90) |
| British Columbia | Regional District of Nanaimo (2,038.01) | Stikine Region (118,663.10) |
| Manitoba | Division No. 11 (571.06) | Division No. 23 (242,363.77) |
| New Brunswick | Saint John County (1,464.53) | Northumberland County (12,932.70) |
| Newfoundland and Labrador | Division No. 2 (6,098.60) | Division No. 10 (199,703.35) |
| Northwest Territories | Region 3 (25,080.94) | Region 1 (365,094.37) |
| Nova Scotia | Richmond County (1,244.24) | Halifax Regional Municipality (5,495.71) |
| Nunavut | Keewatin Region (444,621.10) | Baffin Region (989,889.18) |
| Ontario | Toronto Division (630.21) | Kenora District (407,213.01) |
| Prince Edward Island | Kings County (1,685.80) | Queens County (2,020.45) |
| Quebec | L'Île-d'Orléans (192.81) | Nord-du-Québec (747,161.22) |
| Saskatchewan | Division No. 10 (12,223.73) | Division No. 18 (269,996.55) |
| Yukon | Yukon (474,712.64) | |
| Smallest | Largest | |
| Canada | Stikine Region, British Columbia (629) | Toronto Division, Ontario (2,615,060) |
| Alberta | Division No. 4 (10,078) | Division No. 6 (Calgary) (1,311,022) |
| British Columbia | Stikine Region (629) | Greater Vancouver Regional District (2,313,328) |
| Manitoba | Division No. 23 (8,590) | Division No. 11 (666,832) |
| New Brunswick | Queens County (11,086) | Westmorland County (144,158) |
| Newfoundland and Labrador | Division No. 11 (2,617) | Division 1 (262,410) |
| Northwest Territories | Region 2 (2,341) | Region 6 (19,444) |
| Nova Scotia | Victoria County (7,115) | Halifax Regional Municipality (390,328) |
| Nunavut | Kitikmeot Region (6,012) | Baffin Region (16,939) |
| Ontario | Manitoulin District (13,048) | Toronto Division (2,615,060) |
| Prince Edward Island | Kings County (17,990) | Queens County (77,866) |
| Quebec | L'Île-d'Orléans (6,711) | Montreal (1,886,481) |
| Saskatchewan | Division No. 4 (10,879) | Division No. 11 (271,170) |
| Yukon | Yukon (33,897) | |
