| Index | Thunder Bay | Ontario | National |
| Cost of living | 96 | 113 | 100 |
| Groceries | 106 | 110 | 100 |
| Health care | 92 | 104 | 100 |
| Housing | 99 | 123 | 100 |
| Transportation | 94 | 104 | 100 |
| Utilities | 90 | 121 | 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 |
| Ontario | 8% | 13% |
| State | Income Tax (Low) | Income Tax (High) |
| Ontario | 5.05% | 13.16% |
| City | Population | Cost of Living Index | National Avg. |
| Fort William 52, ON | 1,071 | 97 | 3.0% |
| Oliver Paipoonge, ON | 6,433 | 98 | 1.6% |
| Thunder Bay, ON | 111,499 | 96 | 4.0% |
| City | Population | Cost of Living Index | National Avg. |
| San Buenaventura (Ventura), CA | 111,548 | n/a | |
| Hillsboro, OR | 111,390 | n/a | |
| Daly City, CA | 111,327 | n/a | |
| Lewisville, TX | 111,065 | n/a | |
| Sandy Springs, GA | 111,012 | n/a | |
| Thunder Bay, ON | 111,499 | 96 | 4.0% |