| Index | Duhamel | Quebec | National | 
| Cost of living | 83 | 82 | 100 | 
| Goods & Services | 105 | 84 | 100 | 
| Groceries | 101 | 100 | 100 | 
| Health care | 102 | 102 | 100 | 
| Housing | 35 | 62 | 100 | 
| Transportation | 100 | 100 | 100 | 
| Utilities | 107 | 84 | 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 | Duhamel | National avg. | Difference | 
| Personal Care | $100.00 | $94.33 | 6.0% | 
| Recreation | $101.00 | $102.33 | 1.3% | 
| Item | Duhamel | National avg. | Difference | 
| Meat, Poultry and Fish | $101.00 | $102.27 | 1.2% | 
| Dairy Products and Eggs | $100.00 | $104.67 | 4.5% | 
| Bakery and Cereal Products | $102.00 | $111.67 | 8.7% | 
| Fruit and Vegetables | $99.00 | $113.40 | 12.7% | 
| Alcoholic Beverages | $102.00 | $105.80 | 3.6% | 
| Item | Duhamel | National avg. | Difference | 
| Doctor | $104.00 | $101.07 | 2.9% | 
| Item | Duhamel | National avg. | Difference | 
| Home Price ($) | $n/a | $659,395.00 | 100.0% | 
| Apartment Rent ($) | $n/a | $2,146.00 | 100.0% | 
| Item | Duhamel | National avg. | Difference | 
| Gasoline | $98.00 | $102.07 | 4.0% | 
| Item | Duhamel | National avg. | Difference | 
| All Electricity | $105.00 | $98.60 | 6.5% | 
| City | Population | Cost of Living Index | National Avg. | 
| Montpellier, QC | 976 | 79 | 21.1% | 
| Namur, QC | 545 | 79 | 20.9% | 
| Chénéville, QC | 743 | 79 | 20.7% | 
| Saint-Émile-de-Suffolk, QC | 439 | 79 | 20.7% | 
| Lac-des-Plages, QC | 395 | 81 | 18.9% | 
| Duhamel, QC | 425 | 83 | 17.1% | 
| City | Population | Cost of Living Index | National Avg. | 
| Kwigillingok, AK | 425 | n/a | |
| Hector, AR | 425 | n/a | |
| Bend, CA | 425 | n/a | |
| Kingsley, KY | 425 | n/a | |
| Goldonna, LA | 425 | n/a | |
| Duhamel, QC | 425 | 83 | 17.1% |