| Index | Saint-Mathieu-de-Rioux | Quebec | National |
| Cost of living | 98 | 88 | 100 |
| Groceries | 104 | 109 | 100 |
| Health care | 92 | 102 | 100 |
| Housing | 71 | 74 | 100 |
| Transportation | 96 | 101 | 100 |
| Utilities | 149 | 82 | 100 |
| Lifestyle & Entertainment | n/a | n/a | n/a |
| Household Items | n/a | n/a | n/a |
| Education & Childcare | n/a | n/a | n/a |
| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| State | General Sales Tax | With Max Surtax |
| Quebec | 9.975% | 14.975% |
| State | Income Tax (Low) | Income Tax (High) |
| Quebec | 15% | 25.75% |
| City | Population | Cost of Living Index | National Avg. |
| Saint-Éloi, QC | 278 | 96 | 3.9% |
| Notre-Dame-des-Neiges, QC | 1,045 | 96 | 3.6% |
| Saint-Guy, QC | 45 | 96 | 3.6% |
| Saint-Jean-de-Dieu, QC | 1,587 | 97 | 3.2% |
| Saint-Paul-de-la-Croix, QC | 294 | 97 | 2.9% |
| Saint-Mathieu-de-Rioux, QC | 627 | 98 | 2.1% |
| City | Population | Cost of Living Index | National Avg. |
| Buda, IL | 627 | n/a | |
| Westwood city, KY | 627 | n/a | |
| Amboy, MN | 627 | n/a | |
| Mamers, NC | 627 | n/a | |
| Leicester, NY | 627 | n/a | |
| Saint-Mathieu-de-Rioux, QC | 627 | 98 | 2.1% |