| Index | Grosses-Roches | Quebec | National |
| Median household income | $38,455 | $72,311 | $82,436 |
| Unemployment rate | 5.5% | 3.7% | 6.4% |
| In labour force | 32.5% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 1.2% |
| Manufacturing sector | 5.2% |
| Financial & insurance services | 0.0% |
| Wholesale & retail services | 4.6% |
| Public administration | 3.7% |
| Transportation, warehousing & utilities | 0.0% |
| Education, health & social services | 3.7% |
| Other | 10.6% |
| City | Population | Household Income | National Avg. |
| Saint-Adelme, QC | 514 | $64,630 | 21.6% |
| Saint-Jean-de-Cherbourg, QC | 152 | $57,631 | 30.1% |
| Sainte-Félicité, QC | 1,019 | $50,087 | 39.2% |
| Les Méchins, QC | 911 | $48,245 | 41.5% |
| Grosses-Roches, QC | 386 | $38,455 | 53.4% |
| City | Population | Household Income | National Avg. |
| Newington, GA | 386 | n/a | |
| Addieville, IL | 386 | n/a | |
| Carbon Hill, IL | 386 | n/a | |
| Clear Lake, IL | 386 | n/a | |
| Hartsburg, IL | 386 | n/a | |
| Grosses-Roches, QC | 386 | $38,455 | 53.4% |