| Index | Saint-Mathieu-de-Rioux | Quebec | National |
| Median household income | $65,307 | $72,311 | $82,436 |
| Unemployment rate | 3.4% | 3.7% | 6.4% |
| In labour force | 46.1% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 7.6% |
| Manufacturing sector | 3.3% |
| Financial & insurance services | 1.6% |
| Wholesale & retail services | 6.4% |
| Public administration | 3.1% |
| Transportation, warehousing & utilities | 0.5% |
| Education, health & social services | 8.3% |
| Other | 14.1% |
| City | Population | Household Income | National Avg. |
| Notre-Dame-des-Neiges, QC | 1,045 | $65,119 | 21.0% |
| Saint-Fabien, QC | 1,891 | $57,220 | 30.6% |
| Saint-Jean-de-Dieu, QC | 1,587 | $55,675 | 32.5% |
| Saint-Éloi, QC | 278 | $54,832 | 33.5% |
| Saint-Médard, QC | 200 | $51,379 | 37.7% |
| Saint-Mathieu-de-Rioux, QC | 627 | $65,307 | 20.8% |
| City | Population | Household Income | National Avg. |
| Big Delta, AK | 627 | n/a | |
| Pavo, GA | 627 | n/a | |
| Fern Forest, HI | 627 | n/a | |
| Lime Springs, IA | 627 | n/a | |
| Stanton, IA | 627 | n/a | |
| Saint-Mathieu-de-Rioux, QC | 627 | $65,307 | 20.8% |