| Index | La Trinité-des-Monts | Quebec | National |
| Median household income | $44,255 | $72,311 | $82,436 |
| Unemployment rate | 5.1% | 3.7% | 6.4% |
| In labour force | 41.9% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 3.5% |
| Manufacturing sector | 3.5% |
| Financial & insurance services | 0.0% |
| Wholesale & retail services | 9.1% |
| Public administration | 0.0% |
| Transportation, warehousing & utilities | 0.5% |
| Education, health & social services | 5.6% |
| Other | 17.7% |
| City | Population | Household Income | National Avg. |
| Saint-Valérien, QC | 818 | $69,298 | 15.9% |
| Saint-Narcisse-de-Rimouski, QC | 966 | $61,374 | 25.5% |
| Biencourt, QC | 438 | $51,106 | 38.0% |
| Lac-des-Aigles, QC | 489 | $50,273 | 39.0% |
| Lac-Huron, QC | 13 | $49,583 | 39.9% |
| La Trinité-des-Monts, QC | 208 | $44,255 | 46.3% |
| City | Population | Household Income | National Avg. |
| Watson, AR | 208 | n/a | |
| Garden City, CO | 208 | n/a | |
| Campbellton, FL | 208 | n/a | |
| Chesterfield, IL | 208 | n/a | |
| Hardtner, KS | 208 | n/a | |
| La Trinité-des-Monts, QC | 208 | $44,255 | 46.3% |