| Index | St. Marys | Ontario | National |
| Median home price | $441,909 | $834,932 | $663,503 |
| Median rent asked | n/a | $2,054 | $1,274 |
| 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. | |
| Stratford, ON | 34,224 | $452,460 | 32% |
| West Perth, ON | 9,223 | $476,944 | 28% |
| Lucan Biddulph, ON | 5,179 | $491,189 | 26% |
| Zorra, ON | 8,659 | $582,625 | 12% |
| Perth South, ON | 4,205 | $758,646 | 14% |
| St. Marys, ON | 8,093 | $441,909 | 33% |
| Population | Home Price | National Avg. | |
| Rigaud, QC | 8,069 | $327,083 | 51% |
| Bayham, ON | 8,067 | $388,927 | 41% |
| Kings, Subd. C, NS | 8,052 | $212,276 | 68% |
| Happy Valley-Goose Bay, NL | 8,051 | $268,090 | 60% |
| South-West Oxford, ON | 8,137 | $466,922 | 30% |
| St. Marys, ON | 8,093 | $441,909 | 33% |
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