| Index | Saint-Zéphirin-de-Courval | Quebec | National |
| Median household income | $61,290 | $72,311 | $82,436 |
| Unemployment rate | 4.9% | 3.7% | 6.4% |
| In labour force | 64.4% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 2.6% |
| Manufacturing sector | 4.9% |
| Financial & insurance services | 0.5% |
| Wholesale & retail services | 5.9% |
| Public administration | 2.3% |
| Transportation, warehousing & utilities | 5.2% |
| Education, health & social services | 8.7% |
| Other | 31.4% |
| City | Population | Household Income | National Avg. |
| Saint-Majorique-de-Grantham, QC | 1,432 | $90,552 | 9.8% |
| Sainte-Brigitte-des-Saults, QC | 723 | $87,928 | 6.7% |
| Saint-Edmond-de-Grantham, QC | 858 | $81,171 | 1.5% |
| Grand-Saint-Esprit, QC | 482 | $79,690 | 3.3% |
| Saint-Cyrille-de-Wendover, QC | 5,164 | $78,502 | 4.8% |
| Saint-Zéphirin-de-Courval, QC | 691 | $61,290 | 25.7% |
| City | Population | Household Income | National Avg. |
| Godley, IL | 691 | n/a | |
| Dana, IN | 691 | n/a | |
| Verona, MO | 691 | n/a | |
| Riegelwood, NC | 691 | n/a | |
| Nelliston, NY | 691 | n/a | |
| Saint-Zéphirin-de-Courval, QC | 691 | $61,290 | 25.7% |