| Index | McDougall | Ontario | National |
| Cost of living | 110 | 113 | 100 |
| Groceries | 115 | 110 | 100 |
| Health care | 106 | 104 | 100 |
| Housing | 104 | 123 | 100 |
| Transportation | 105 | 104 | 100 |
| Utilities | 132 | 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. |
| Shawanaga 17, ON | 198 | 108 | 8.2% |
| Seguin, ON | 4,637 | 109 | 9.0% |
| Parry Island First Nation, ON | 298 | 109 | 9.0% |
| McKellar, ON | 1,137 | 109 | 9.2% |
| Parry Sound, ON | 6,908 | 110 | 10.4% |
| McDougall, ON | 2,845 | 110 | 10.3% |
| City | Population | Cost of Living Index | National Avg. |
| Diamond, IL | 2,845 | n/a | |
| Refugio, TX | 2,845 | n/a | |
| Santa Rosa, TX | 2,845 | n/a | |
| Marshville, NC | 2,844 | n/a | |
| Estill, SC | 2,844 | n/a | |
| McDougall, ON | 2,845 | 110 | 10.3% |