| Index | Sainte-Marthe | Quebec | National |
| Median household income | $85,247 | $72,311 | $82,436 |
| Unemployment rate | 2.5% | 3.7% | 6.4% |
| In labour force | 66.0% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 4.9% |
| Manufacturing sector | 4.2% |
| Financial & insurance services | 0.8% |
| Wholesale & retail services | 13.2% |
| Public administration | 2.5% |
| Transportation, warehousing & utilities | 2.6% |
| Education, health & social services | 8.6% |
| Other | 28.0% |
| City | Population | Household Income | National Avg. |
| L'Île-Cadieux, QC | 157 | $150,000 | 82.0% |
| Vaudreuil-sur-le-Lac, QC | 1,286 | $136,995 | 66.2% |
| Saint-Lazare, QC | 21,394 | $126,742 | 53.7% |
| Hudson, QC | 5,643 | $102,577 | 24.4% |
| Coteau-du-Lac, QC | 7,818 | $96,233 | 16.7% |
| Sainte-Marthe, QC | 1,119 | $85,247 | 3.4% |
| City | Population | Household Income | National Avg. |
| North DeLand, FL | 1,119 | n/a | |
| Cobb Island, MD | 1,119 | n/a | |
| Parkers Prairie, MN | 1,119 | n/a | |
| Twin Lakes, NM | 1,119 | n/a | |
| Springmont, PA | 1,119 | n/a | |
| Sainte-Marthe, QC | 1,119 | $85,247 | 3.4% |