| Index | Sainte-Marthe-sur-le-Lac | Quebec | National |
| Median home price | $456,967 | $492,735 | $665,961 |
| Median rent asked | n/a | $1,958 | $2,146 |
| Avg. people per household | 2.7 | 2.3 | 2.5 |
| Owner occupied households | 91.4% | 61.7% | 67.6% |
| Renter occupied households | 8.7% | 38.1% | 32.0% |
| Population | Home Price | National Avg. | |
| Côte-Saint-Luc, QC | 37,097 | $422,363 | 37% |
| Kanesatake, QC | 1,099 | $422,680 | 37% |
| Boisbriand, QC | 27,813 | $422,998 | 36% |
| Vaudreuil-sur-le-Lac, QC | 1,286 | $424,588 | 36% |
| Hudson, QC | 5,643 | $428,128 | 36% |
| Sainte-Marthe-sur-le-Lac, QC | 20,759 | $456,967 | 31% |
| Population | Home Price | National Avg. | |
| Baie-Comeau, QC | 20,732 | $433,703 | 35% |
| Cobourg, ON | 20,684 | $718,800 | 8% |
| Pitt Meadows, BC | 20,683 | $711,732 | 7% |
| Beaconsfield, QC | 20,868 | $448,675 | 33% |
| Lloydminster (Part), AB | 20,628 | $402,431 | 40% |
| Sainte-Marthe-sur-le-Lac, QC | 20,759 | $456,967 | 31% |