List of Ontario census divisions by population List List

| Name_ | _2011_Census | _2006_Census | _change | Land_area_km² | Density_pop_km² | Population_rank |
|---|---|---|---|---|---|---|
| Algoma District | 115870 | 117461 | -1.4 | 48840.68 | 2.4 | 21 |
| Brant County | 136035 | 125099 | 8.7 | 1093.16 | 124.4 | 17 |
| Bruce County | 66102 | 65349 | 1.2 | 4087.76 | 16.2 | 36 |
| Chatham-Kent, Municipality of | 104075 | 108589 | -4.2 | 2470.69 | 42.1 | 25 |
| Cochrane District | 81122 | 82503 | -1.7 | 141270.41 | 0.6 | 33 |
| Dufferin County | 56881 | 54436 | 4.5 | 1486.31 | 38.3 | 41 |
| Durham Regional Municipality | 608124 | 561258 | 8.4 | 2523.62 | 241.0 | 5 |
| Elgin County | 87461 | 85351 | 2.5 | 1880.90 | 46.5 | 29 |
| Essex County | 388782 | 393402 | -1.2 | 1850.78 | 210.1 | 12 |
| Frontenac County | 149738 | 143865 | 4.1 | 3787.79 | 39.5 | 15 |
| Greater Sudbury, City of | 160376 | 157909 | 1.6 | 3238.01 | 49.5 | 14 |
| Grey County | 92568 | 92411 | 0.2 | 4513.21 | 20.5 | 28 |