| Index | Saint-Justin | Quebec | National |
| Median household income | $60,678 | $72,311 | $82,436 |
| Unemployment rate | 2.6% | 3.7% | 6.4% |
| In labour force | 52.7% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 4.2% |
| Manufacturing sector | 9.3% |
| Financial & insurance services | 0.0% |
| Wholesale & retail services | 5.9% |
| Public administration | 1.8% |
| Transportation, warehousing & utilities | 1.8% |
| Education, health & social services | 8.1% |
| Other | 20.6% |
| City | Population | Household Income | National Avg. |
| Sainte-Anne-de-Sorel, QC | 2,758 | $93,131 | 13.0% |
| Sainte-Geneviève-de-Berthier, QC | 2,288 | $79,816 | 3.2% |
| La Visitation-de-l'Île-Dupas, QC | 691 | $72,989 | 11.5% |
| Notre-Dame-des-Prairies, QC | 9,684 | $71,902 | 12.8% |
| Saint-Ignace-de-Loyola, QC | 2,050 | $71,866 | 12.8% |
| Saint-Justin, QC | 901 | $60,678 | 26.4% |
| City | Population | Household Income | National Avg. |
| Raleigh, FL | 901 | n/a | |
| Mahinahina, HI | 901 | n/a | |
| Afton, IA | 901 | n/a | |
| Waterproof, LA | 901 | n/a | |
| Cecilton, MD | 901 | n/a | |
| Saint-Justin, QC | 901 | $60,678 | 26.4% |