| Index | Saint-Mathieu | Quebec | National |
| Cost of living | 85 | 88 | 100 |
| Groceries | 109 | 109 | 100 |
| Health care | 102 | 102 | 100 |
| Housing | 65 | 74 | 100 |
| Transportation | 101 | 101 | 100 |
| Utilities | 82 | 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. |
| Côte-Saint-Luc, QC | 37,097 | 85 | 15.4% |
| Chambly, QC | 30,986 | 85 | 15.2% |
| Sainte-Martine, QC | 6,075 | 85 | 15.1% |
| Kahnawake, QC | 5,328 | 85 | 15.1% |
| Saint-Blaise-sur-Richelieu, QC | 2,223 | 85 | 15.0% |
| Saint-Mathieu, QC | 2,496 | 85 | 15.0% |
| City | Population | Cost of Living Index | National Avg. |
| Herald Harbor, MD | 2,496 | n/a | |
| Milford, NE | 2,496 | n/a | |
| Lemont, PA | 2,495 | n/a | |
| Saint-Martin, QC | 2,495 | 86 | 14.3% |
| Spirit Lake, ID | 2,497 | n/a | |
| Saint-Mathieu, QC | 2,496 | 85 | 15.0% |