| Index | St. Marys | Ontario | National |
| Median home price | $657,744 | $821,624 | $665,961 |
| Median rent asked | n/a | $2,456 | $2,146 |
| Avg. people per household | 2.3 | 2.6 | 2.5 |
| Owner occupied households | 78.4% | 69.3% | 67.6% |
| Renter occupied households | 21.6% | 30.5% | 32.0% |
| Population | Home Price | National Avg. | |
| Perth South, ON | 4,205 | $647,785 | 3% |
| West Perth, ON | 9,223 | $651,504 | 2% |
| Zorra, ON | 8,659 | $662,691 | 0% |
| Lucan Biddulph, ON | 5,179 | $685,375 | 3% |
| Stratford, ON | 34,224 | $708,399 | 6% |
| St. Marys, ON | 8,093 | $657,744 | 1% |
| Population | Home Price | National Avg. | |
| Rigaud, QC | 8,069 | $448,366 | 33% |
| Bayham, ON | 8,067 | $687,928 | 3% |
| Kings, Subd. C, NS | 8,052 | $380,320 | 43% |
| Happy Valley-Goose Bay, NL | 8,051 | $551,928 | 17% |
| South-West Oxford, ON | 8,137 | $714,840 | 7% |
| St. Marys, ON | 8,093 | $657,744 | 1% |