| Index | Berthier-sur-Mer | Quebec | National | 
| Cost of living | 74 | 82 | 100 | 
| Goods & Services | 84 | 84 | 100 | 
| Groceries | 100 | 100 | 100 | 
| Health care | 102 | 102 | 100 | 
| Housing | 35 | 62 | 100 | 
| Transportation | 100 | 100 | 100 | 
| Utilities | 84 | 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 | Berthier-sur-Mer | National avg. | Difference | 
| Personal Care | $106.00 | $94.33 | 12.4% | 
| Recreation | $98.00 | $102.33 | 4.2% | 
| Item | Berthier-sur-Mer | National avg. | Difference | 
| Meat, Poultry and Fish | $100.00 | $102.27 | 2.2% | 
| Dairy Products and Eggs | $102.00 | $104.67 | 2.5% | 
| Bakery and Cereal Products | $103.00 | $111.67 | 7.8% | 
| Fruit and Vegetables | $99.00 | $113.40 | 12.7% | 
| Alcoholic Beverages | $92.00 | $105.80 | 13.0% | 
| Item | Berthier-sur-Mer | National avg. | Difference | 
| Doctor | $98.00 | $101.07 | 3.0% | 
| Item | Berthier-sur-Mer | National avg. | Difference | 
| Home Price ($) | $n/a | $659,395.00 | 100.0% | 
| Apartment Rent ($) | $n/a | $2,146.00 | 100.0% | 
| Item | Berthier-sur-Mer | National avg. | Difference | 
| Gasoline | $104.00 | $102.07 | 1.9% | 
| Item | Berthier-sur-Mer | National avg. | Difference | 
| All Electricity | $98.00 | $98.60 | 0.6% | 
| City | Population | Cost of Living Index | National Avg. | 
| Notre-Dame-du-Rosaire, QC | 386 | 67 | 32.7% | 
| Sainte-Euphémie-sur-Rivière-du-Sud, QC | 311 | 68 | 32.3% | 
| Armagh, QC | 1,432 | 68 | 31.9% | 
| Saint-Antoine-de-l'Isle-aux-Grues, QC | 140 | 70 | 30.4% | 
| Saint-François-de-la-Rivière-du-Sud, QC | 1,612 | 70 | 30.3% | 
| Berthier-sur-Mer, QC | 1,644 | 74 | 26.2% | 
| City | Population | Cost of Living Index | National Avg. | 
| Lazy Mountain, AK | 1,644 | n/a | |
| Derwood, MD | 1,644 | n/a | |
| Rocky Point, NC | 1,644 | n/a | |
| Forest City, PA | 1,644 | n/a | |
| Moscow, PA | 1,644 | n/a | |
| Berthier-sur-Mer, QC | 1,644 | 74 | 26.2% |