List of Ontario census divisions by population List List

| Name_ | _2011_Census | _2006_Census | _change | Land_area_km² | Density_pop_km² | Population_rank |
|---|---|---|---|---|---|---|
| Prescott and Russell, United Counties of | 85381 | 80184 | 6.5 | 2004.44 | 42.6 | 30 |
| Prince Edward County | 25258 | 25496 | -0.9 | 1050.45 | 24.0 | 45 |
| Rainy River District | 20370 | 21564 | -5.5 | 15484.83 | 1.3 | 47 |
| Renfrew County | 101326 | 97545 | 3.9 | 7440.81 | 13.6 | 26 |
| Simcoe County | 446063 | 422204 | 5.7 | 4859.16 | 91.8 | 9 |
| Stormont, Dundas and Glengarry, United Counties of | 111164 | 110399 | 0.7 | 3308.84 | 33.6 | 22 |
| Sudbury District | 21196 | 21851 | -3.0 | 40205.41 | 0.5 | 46 |
| Thunder Bay District | 146057 | 149063 | -2.0 | 103719.51 | 1.4 | 16 |
| Timiskaming District | 32634 | 33283 | -1.9 | 13299.92 | 2.5 | 44 |
| Toronto, City of | 2615060 | 2503281 | 4.5 | 630.21 | 4149.5 | 1 |
| Waterloo Regional Municipality | 507096 | 478121 | 6.1 | 1368.94 | 370.4 | 7 |
| Wellington County | 208360 | 200425 | 4.0 | 2660.46 | 78.3 | 13 |