List of Ontario census divisions by population
Columns: Name | 2011 Census | 2006 Census | % change | Land area (km²) | Density (pop/km²) | Population rank
Algoma District | 115870 | 117461 | -1.4 | 48,840.68 | 2.4 | 21 | Brant County | 136035 | 125099 | 8.7 | 1,093.16 | 124.4 | 17 | Bruce County | 66102 | 65349 | 1.2 | 4,087.76 | 16.2 | 36 | Chatham-Kent, Municipality of | 104075 | 108589 | -4.2 | 2,470.69 | 42.1 | 25 | Cochrane District | 81122 | 82503 | -1.7 | 141,270.41 | 0.6 | 33 | Dufferin County | 56881 | 54436 | 4.5 | 1,486.31 | 38.3 | 41 | Durham Regional Municipality | 608124 | 561258 | 8.4 | 2,523.62 | 241.0 | 5 | Elgin County | 87461 | 85351 | 2.5 | 1,880.90 | 46.5 | 29 | Essex County | 388782 | 393402 | -1.2 | 1,850.78 | 210.1 | 12 | Frontenac County | 149738 | 143865 | 4.1 | 3,787.79 | 39.5 | 15 | Greater Sudbury, City of | 160376 | 157909 | 1.6 | 3,238.01 | 49.5 | 14 | Grey County | 92568 | 92411 | 0.2 | 4,513.21 | 20.5 | 28 | Haldimand-Norfolk | 109118 | 107812 | 1.2 | 2,894.82 | 37.7 | 23 | Haliburton County | 17026 | 16147 | 5.4 | 4,071.86 | 4.2 | 48 | Halton Regional Municipality | 501669 | 439206 | 14.2 | 964.01 | 520.4 | 8 | Hamilton, City of | 519949 | 504559 | 3.1 | 1,117.23 | 465.4 | 6 | Hastings County | 134934 | 130474 | 3.4 | 6,103.48 | 22.1 | 18 | Huron County | 59100 | 59325 | -0.4 | 3,399.63 | 17.4 | 38 | Kawartha Lakes, City of | 73214 | 74561 | -1.8 | 3,083.06 | 23.7 | 35 | Kenora District | 57607 | 64419 | -10.6 | 407,213.01 | 0.1 | 40 | Lambton County | 126199 | 128204 | -1.6 | 3,002.07 | 42.0 | 20 | Lanark County | 65867 | 63785 | 3.0 | 3,003.82 | 21.6 | 37 | Leeds and Grenville, United Counties of | 99306 | 99206 | 0.1 | 3,383.92 | 29.3 | 27 | Lennox and Addington County | 41824 | 40542 | 3.2 | 2,841.10 | 14.7 | 43 | Manitoulin District | 13048 | 12631 | 3.3 | 3,107.11 | 4.2 | 49 | Middlesex County | 439151 | 422333 | 4.0 | 3,317.54 | 132.4 | 10 | Muskoka District Municipality | 58047 | 57563 | 0.8 | 3,937.76 | 14.7 | 39 | Niagara Regional Municipality | 431346 | 427421 | 0.9 | 1,854.25 | 232.6 | 11 | Nipissing District | 84736 | 84688 | 0.1 | 17,103.52 | 5.0 | 31 | Northumberland County | 82126 | 80963 | 1.4 | 1,905.34 | 43.1 | 32 | Ottawa, City of | 883391 | 812129 | 8.8 | 2,790.22 | 316.6 | 4 | Oxford County | 105719 | 102756 | 2.9 | 2,039.56 | 51.8 | 24 | Parry Sound District | 42162 | 40918 | 3.0 | 9,322.80 | 4.5 | 42 | Peel Regional Municipality | 1296814 | 1159455 | 11.8 | 1,246.89 | 1,040.0 | 2 | Perth County | 75112 | 74344 | 1.0 | 2,218.46 | 33.9 | 34 | Peterborough County | 134933 | 133080 | 1.4 | 3,847.77 | 35.1 | 19 | Prescott and Russell, United Counties of | 85381 | 80184 | 6.5 | 2,004.44 | 42.6 | 30 | Prince Edward County | 25258 | 25496 | -0.9 | 1,050.45 | 24.0 | 45 | Rainy River District | 20370 | 21564 | -5.5 | 15,484.83 | 1.3 | 47 | Renfrew County | 101326 | 97545 | 3.9 | 7,440.81 | 13.6 | 26 | Simcoe County | 446063 | 422204 | 5.7 | 4,859.16 | 91.8 | 9 | Stormont, Dundas and Glengarry, United Counties of | 111164 | 110399 | 0.7 | 3,308.84 | 33.6 | 22 | Sudbury District | 21196 | 21851 | -3.0 | 40,205.41 | 0.5 | 46 | Thunder Bay District | 146057 | 149063 | -2.0 | 103,719.51 | 1.4 | 16 | Timiskaming District | 32634 | 33283 | -1.9 | 13,299.92 | 2.5 | 44 | Toronto, City of | 2615060 | 2503281 | 4.5 | 630.21 | 4,149.5 | 1 | Waterloo Regional Municipality | 507096 | 478121 | 6.1 | 1,368.94 | 370.4 | 7 | Wellington County | 208360 | 200425 | 4.0 | 2,660.46 | 78.3 | 13