| Index | St. Mary's | Newfoundland and Labrador | National |
| Median home price | n/a | $288,000 | $659,395 |
| Median rent asked | n/a | $1,041 | $2,146 |
| Avg. people per household | 1.8 | 2.3 | 2.5 |
| Owner occupied households | 98.9% | 76.0% | 67.6% |
| Renter occupied households | 1.1% | 23.8% | 32.0% |
| Population | Home Price | National Avg. | |
| Division No. 1, Subd. V, NL | 33 | n/a | |
| St. Joseph's, NL | 113 | n/a | |
| Trepassey, NL | 446 | n/a | |
| Portugal Cove South, NL | 146 | n/a | |
| Division No. 1, Subd. W, NL | 414 | n/a | |
| St. Mary's, NL | 336 | n/a |
| Population | Home Price | National Avg. | |
| Debden, SK | 336 | n/a | |
| Fox Valley No. 171, SK | 336 | n/a | |
| Coldwater 1, BC | 335 | n/a | |
| Mountain View No. 318, SK | 337 | n/a | |
| Longview, AB | 337 | n/a | |
| St. Mary's, NL | 336 | n/a |