| Index | Castle Island | Alberta | National |
| Median home price | n/a | $471,887 | $659,395 |
| Median rent asked | n/a | $1,690 | $2,146 |
| Avg. people per household | 1.0 | 2.7 | 2.5 |
| Owner occupied households | 57.1% | 72.0% | 67.6% |
| Renter occupied households | 42.9% | 27.4% | 32.0% |
| Population | Home Price | National Avg. | |
| Betula Beach, AB | 20 | n/a | |
| West Cove, AB | 156 | n/a | |
| South View, AB | 87 | n/a | |
| Val Quentin, AB | 300 | n/a | |
| Onoway, AB | 1,016 | n/a | |
| Castle Island, AB | 7 | n/a |
| Population | Home Price | National Avg. | |
| Alexis 9, BC | 7 | n/a | |
| Henvey Inlet 2, ON | 7 | n/a | |
| Greig Lake, SK | 7 | n/a | |
| Beaver Ranch 163, AB | 8 | n/a | |
| Kinoosao-Thomas Clark 204, SK | 8 | n/a | |
| Castle Island, AB | 7 | n/a |