| Index | La Prairie | Quebec | National |
| Cost of living | 86 | 88 | 100 |
| Goods & Services | 88 | 88 | 100 |
| Groceries | 109 | 109 | 100 |
| Health care | 102 | 102 | 100 |
| Housing | 69 | 74 | 100 |
| Transportation | 101 | 101 | 100 |
| Utilities | 82 | 82 | 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 |
| Quebec | 9.975% | 14.975% |
| State | Income Tax (Low) | Income Tax (High) |
| Quebec | 15% | 25.75% |
| Item | La Prairie | National avg. | Difference |
| Personal Care | $105.00 | $95.07 | 10.4% |
| Recreation | $99.00 | $101.73 | 2.7% |
| Item | La Prairie | National avg. | Difference |
| Meat, Poultry and Fish | $99.00 | $102.47 | 3.4% |
| Dairy Products and Eggs | $105.00 | $106.00 | 0.9% |
| Bakery and Cereal Products | $105.00 | $111.87 | 6.1% |
| Fruit and Vegetables | $100.00 | $112.87 | 11.4% |
| Alcoholic Beverages | $93.00 | $106.80 | 12.9% |
| Item | La Prairie | National avg. | Difference |
| Doctor | $99.00 | $101.07 | 2.0% |
| Item | La Prairie | National avg. | Difference |
| Home Price ($) | $462,100.00 | $665,961.00 | 30.6% |
| Apartment Rent ($) | $n/a | $2,146.00 | 100.0% |
| Item | La Prairie | National avg. | Difference |
| Gasoline | $105.00 | $102.53 | 2.4% |
| Item | La Prairie | National avg. | Difference |
| All Electricity | $96.00 | $98.80 | 2.8% |
| City | Population | Cost of Living Index | National Avg. |
| Côte-Saint-Luc, QC | 37,097 | 85 | 15.4% |
| McMasterville, QC | 6,085 | 85 | 15.3% |
| Chambly, QC | 30,986 | 85 | 15.2% |
| Saint-Mathieu-de-Beloeil, QC | 2,671 | 85 | 15.2% |
| Kahnawake, QC | 5,328 | 85 | 15.1% |
| La Prairie, QC | 25,972 | 86 | 13.6% |
| City | Population | Cost of Living Index | National Avg. |
| Athens, OH | 25,971 | n/a | |
| Bloomingdale, FL | 25,961 | n/a | |
| El Cerrito, CA | 25,955 | n/a | |
| Balch Springs, TX | 25,952 | n/a | |
| North Tustin, CA | 26,001 | n/a | |
| La Prairie, QC | 25,972 | 86 | 13.6% |