| Index | Sainte-Marthe-sur-le-Lac | Quebec | National |
| Median home price | n/a | $492,735 | $659,395 |
| 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. | |
| Senneville, QC | 1,039 | n/a | |
| Vaudreuil-sur-le-Lac, QC | 1,286 | n/a | |
| Terrasse-Vaudreuil, QC | 2,008 | n/a | |
| Saint-Joseph-du-Lac, QC | 7,402 | n/a | |
| Rosemère, QC | 15,188 | n/a | |
| Sainte-Marthe-sur-le-Lac, QC | 20,759 | n/a |
| Population | Home Price | National Avg. | |
| Baie-Comeau, QC | 20,732 | n/a | |
| Cobourg, ON | 20,684 | $689,000 | 4% |
| Pitt Meadows, BC | 20,683 | $1,105,000 | 68% |
| Beaconsfield, QC | 20,868 | n/a | |
| Lloydminster (Part), AB | 20,628 | $299,777 | 55% |
| Sainte-Marthe-sur-le-Lac, QC | 20,759 | n/a |
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