| Index | Saint-Just-de-Bretenières | Quebec | National |
| Median household income | $42,620 | $72,311 | $82,436 |
| Unemployment rate | 3.2% | 3.7% | 6.4% |
| In labour force | 49.0% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 3.0% |
| Manufacturing sector | 22.1% |
| Financial & insurance services | 0.7% |
| Wholesale & retail services | 3.5% |
| Public administration | 2.0% |
| Transportation, warehousing & utilities | 5.1% |
| Education, health & social services | 5.1% |
| Other | 7.4% |
| City | Population | Household Income | National Avg. |
| Sainte-Justine, QC | 1,811 | $68,328 | 17.1% |
| Saint-Cyprien, QC | 1,039 | $62,267 | 24.5% |
| Sainte-Lucie-de-Beauregard, QC | 266 | $54,646 | 33.7% |
| Lac-Frontière, QC | 175 | $53,147 | 35.5% |
| Saint-Magloire, QC | 657 | $49,430 | 40.0% |
| Saint-Just-de-Bretenières, QC | 631 | $42,620 | 48.3% |
| City | Population | Household Income | National Avg. |
| Dearing, GA | 631 | n/a | |
| Goldfield, IA | 631 | n/a | |
| Britton, MI | 631 | n/a | |
| Glenville, MN | 631 | n/a | |
| Lake Park, MN | 631 | n/a | |
| Saint-Just-de-Bretenières, QC | 631 | $42,620 | 48.3% |