| Index | Saint-Marc-des-Carrières | Quebec | National |
| Median household income | $63,220 | $72,311 | $82,436 |
| Unemployment rate | 2.9% | 3.7% | 6.4% |
| In labour force | 64.0% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 4.9% |
| Manufacturing sector | 12.6% |
| Financial & insurance services | 2.4% |
| Wholesale & retail services | 11.5% |
| Public administration | 2.2% |
| Transportation, warehousing & utilities | 4.0% |
| Education, health & social services | 8.3% |
| Other | 17.0% |
| City | Population | Household Income | National Avg. |
| Cap-Santé, QC | 3,632 | $84,069 | 2.0% |
| Saint-Gilbert, QC | 304 | $79,376 | 3.7% |
| Deschambault-Grondines, QC | 2,263 | $78,045 | 5.3% |
| Sainte-Croix, QC | 2,644 | $69,227 | 16.0% |
| Saint-Basile, QC | 2,711 | $66,046 | 19.9% |
| Saint-Marc-des-Carrières, QC | 2,933 | $63,220 | 23.3% |
| City | Population | Household Income | National Avg. |
| Pioneer Village, KY | 2,933 | n/a | |
| Kelly Ridge, CA | 2,932 | n/a | |
| Watkinsville, GA | 2,932 | n/a | |
| Warsaw, NY | 2,934 | n/a | |
| Warm Beach, WA | 2,934 | n/a | |
| Saint-Marc-des-Carrières, QC | 2,933 | $63,220 | 23.3% |