| Index | Saint-Thomas | Quebec | National |
| Median home price | n/a | $492,735 | $659,395 |
| Median rent asked | $633 | $1,958 | $2,146 |
| Avg. people per household | 2.4 | 2.3 | 2.5 |
| Owner occupied households | 78.6% | 61.7% | 67.6% |
| Renter occupied households | 21.4% | 38.1% | 32.0% |
| Population | Home Price | National Avg. | |
| Contrecoeur, QC | 8,977 | n/a | |
| Sainte-Mélanie, QC | 3,110 | n/a | |
| Sainte-Anne-de-Sorel, QC | 2,758 | n/a | |
| La Visitation-de-l'Île-Dupas, QC | 691 | n/a | |
| Saint-Roch-de-Richelieu, QC | 2,257 | n/a | |
| Saint-Thomas, QC | 3,364 | n/a |
| Population | Home Price | National Avg. | |
| Compton, QC | 3,378 | n/a | |
| Grande-Rivière, QC | 3,348 | n/a | |
| Grand Valley, ON | 3,347 | $679,000 | 3% |
| Ascot Corner, QC | 3,346 | n/a | |
| Marathon, ON | 3,386 | n/a | |
| Saint-Thomas, QC | 3,364 | n/a |