| Index | Southgate | Ontario | National |
| Cost of living | 109 | 113 | 100 |
| Groceries | 115 | 110 | 100 |
| Health care | 106 | 104 | 100 |
| Housing | 99 | 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. |
| Melancthon, ON | 3,274 | 110 | 9.6% |
| Minto, ON | 9,623 | 110 | 9.9% |
| Grand Valley, ON | 3,347 | 111 | 10.8% |
| West Grey, ON | 13,645 | 111 | 11.2% |
| Wellington North, ON | 13,212 | 112 | 11.7% |
| Southgate, ON | 7,828 | 109 | 9.0% |
| City | Population | Cost of Living Index | National Avg. |
| Newport, AR | 7,828 | n/a | |
| Brighton, MI | 7,828 | n/a | |
| River Oaks, TX | 7,830 | n/a | |
| Decorah, IA | 7,825 | n/a | |
| Park City, KS | 7,834 | n/a | |
| Southgate, ON | 7,828 | 109 | 9.0% |