| Index | Marston | Quebec | National |
| Cost of living | 87 | 88 | 100 |
| Groceries | 109 | 109 | 100 |
| Health care | 102 | 102 | 100 |
| Housing | 71 | 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. |
| Val-Racine, QC | 183 | 85 | 15.3% |
| Saint-Augustin-de-Woburn, QC | 691 | 85 | 15.2% |
| Frontenac, QC | 1,828 | 85 | 15.1% |
| Saint-Romain, QC | 694 | 85 | 15.1% |
| Sainte-Cécile-de-Whitton, QC | 852 | 85 | 15.1% |
| Marston, QC | 738 | 87 | 13.0% |
| City | Population | Cost of Living Index | National Avg. |
| Addison, AL | 738 | n/a | |
| Elaine, AR | 738 | n/a | |
| Bancroft, IA | 738 | n/a | |
| Artemus, KY | 738 | n/a | |
| Pray, MT | 738 | n/a | |
| Marston, QC | 738 | 87 | 13.0% |