| Index | Thetford Mines | Quebec | National |
| Cost of living | 86 | 88 | 100 |
| Groceries | 109 | 109 | 100 |
| Health care | 102 | 102 | 100 |
| Housing | 69 | 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. |
| Adstock, QC | 2,922 | 85 | 15.1% |
| Saint-Frédéric, QC | 1,024 | 85 | 15.1% |
| Inverness, QC | 958 | 85 | 14.9% |
| Sainte-Clotilde-de-Beauce, QC | 506 | 85 | 14.7% |
| Saint-Joseph-de-Coleraine, QC | 1,703 | 85 | 14.7% |
| Thetford Mines, QC | 25,383 | 86 | 13.7% |
| City | Population | Cost of Living Index | National Avg. |
| Brookings, SD | 25,380 | n/a | |
| Dinuba, CA | 25,393 | n/a | |
| Fort Washington, MD | 25,402 | n/a | |
| Rosemount, MN | 25,406 | n/a | |
| Westmont, IL | 25,356 | n/a | |
| Thetford Mines, QC | 25,383 | 86 | 13.7% |