| Index | Saint Mary | New Brunswick | National | 
| Cost of living | 82 | 86 | 100 | 
| Goods & Services | 106 | 107 | 100 | 
| Groceries | 103 | 102 | 100 | 
| Health care | 92 | 90 | 100 | 
| Housing | 21 | 36 | 100 | 
| Transportation | 91 | 95 | 100 | 
| Utilities | 141 | 146 | 100 | 
| 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 | 
| New Brunswick | 10% | 15% | 
| State | Income Tax (Low) | Income Tax (High) | 
| New Brunswick | 9.68% | 20.3% | 
| Item | Saint Mary | National avg. | Difference | 
| Personal Care | $87.00 | $94.33 | 7.8% | 
| Recreation | $104.00 | $102.33 | 1.6% | 
| Item | Saint Mary | National avg. | Difference | 
| Meat, Poultry and Fish | $96.00 | $102.27 | 6.1% | 
| Dairy Products and Eggs | $104.00 | $104.67 | 0.6% | 
| Bakery and Cereal Products | $109.00 | $111.67 | 2.4% | 
| Fruit and Vegetables | $107.00 | $113.40 | 5.6% | 
| Alcoholic Beverages | $107.00 | $105.80 | 1.1% | 
| Item | Saint Mary | National avg. | Difference | 
| Doctor | $97.00 | $101.07 | 4.0% | 
| Item | Saint Mary | National avg. | Difference | 
| Home Price ($) | $n/a | $659,395.00 | 100.0% | 
| Apartment Rent ($) | $n/a | $2,146.00 | 100.0% | 
| Item | Saint Mary | National avg. | Difference | 
| Gasoline | $96.00 | $102.07 | 5.9% | 
| Item | Saint Mary | National avg. | Difference | 
| All Electricity | $95.00 | $98.60 | 3.7% | 
| City | Population | Cost of Living Index | National Avg. | 
| Buctouche 16, NB | 106 | 108 | 7.5% | 
| Saint-Paul, NB | 863 | 81 | 19.1% | 
| Weldford, NB | 1,423 | 80 | 19.6% | 
| Richibucto 15, NB | 2,044 | 81 | 19.1% | 
| Wellington, NB | 3,185 | 82 | 17.9% | 
| Saint Mary, NB | 2,046 | 82 | 18.4% | 
| City | Population | Cost of Living Index | National Avg. | 
| West Buechel, KY | 2,046 | n/a | |
| Watkins Glen, NY | 2,046 | n/a | |
| Kenilworth, PA | 2,046 | n/a | |
| Susquehanna Trails, PA | 2,046 | n/a | |
| Pardeeville, WI | 2,046 | n/a | |
| Saint Mary, NB | 2,046 | 82 | 18.4% |