| Index | Dain City | Welland | Ontario |
| Cost of living | 86 | 89 | 111 |
| Goods & Services | 108 | 108 | 107 |
| Groceries | 100 | 100 | 101 |
| Health care | 103 | 103 | 103 |
| Housing | 33 | 41 | 120 |
| Transportation | 107 | 107 | 104 |
| Utilities | 130 | 130 | 119 |
| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| State | General Sales Tax | With Max Surtax |
| Ontario | 8% | 13% |
| State | Income Tax (Low) | Income Tax (High) |
| Ontario | 5.05% | 13.16% |
| Item | Welland | National avg. | Difference |
| Personal Care | $102.00 | $94.33 | 8.1% |
| Recreation | $99.00 | $102.33 | 3.3% |
| Item | Welland | National avg. | Difference |
| Meat, Poultry and Fish | $99.00 | $102.27 | 3.2% |
| Dairy Products and Eggs | $101.00 | $104.67 | 3.5% |
| Bakery and Cereal Products | $97.00 | $111.67 | 13.1% |
| Fruit and Vegetables | $98.00 | $113.40 | 13.6% |
| Alcoholic Beverages | $102.00 | $105.80 | 3.6% |
| Item | Welland | National avg. | Difference |
| Doctor | $104.00 | $101.07 | 2.9% |
| Item | Welland | National avg. | Difference |
| Home Price ($) | $507,000.00 | $659,395.00 | 23.1% |
| Apartment Rent ($) | $n/a | $2,146.00 | 100.0% |
| Item | Welland | National avg. | Difference |
| Gasoline | $99.00 | $102.07 | 3.0% |
| Item | Welland | National avg. | Difference |
| All Electricity | $106.00 | $98.60 | 7.5% |
| City | Population | Cost of Living Index | National Avg. |
| Port Colborne, ON | 19,317 | 89 | 11.3% |
| Fort Erie, ON | 32,970 | 90 | 10.0% |
| Thorold, ON | 21,396 | 91 | 8.7% |
| Niagara Falls, ON | 95,282 | 91 | 8.6% |
| St. Catharines, ON | 140,913 | 91 | 8.6% |
| Welland, ON | 56,929 | 89 | 11.1% |
| City | Population | Cost of Living Index | National Avg. |
| Saint-Hyacinthe, QC | 56,946 | 73 | 26.6% |
| Palm Beach Gardens, FL | 56,979 | n/a | |
| Shoreline, WA | 56,835 | n/a | |
| Arcadia, CA | 57,053 | n/a | |
| Caldwell, ID | 56,734 | n/a | |
| Welland, ON | 56,929 | 89 | 11.1% |