| Index | L'Assomption | Quebec | National |
| Cost of living | 85 | 88 | 100 |
| Groceries | 109 | 109 | 100 |
| Health care | 102 | 102 | 100 |
| Housing | 66 | 74 | 100 |
| Transportation | 101 | 101 | 100 |
| Utilities | 82 | 82 | 100 |
| Lifestyle & Entertainment | n/a | n/a | n/a |
| Household Items | n/a | n/a | n/a |
| Education & Childcare | n/a | n/a | n/a |
| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| State | General Sales Tax | With Max Surtax |
| Quebec | 9.975% | 14.975% |
| State | Income Tax (Low) | Income Tax (High) |
| Quebec | 15% | 25.75% |
| City | Population | Cost of Living Index | National Avg. |
| L'Épiphanie, QC | 5,436 | 85 | 15.4% |
| Contrecoeur, QC | 8,977 | 85 | 15.3% |
| Mascouche, QC | 52,212 | 85 | 15.3% |
| Verchères, QC | 6,018 | 85 | 15.3% |
| Saint-Pierre, QC | 265 | 85 | 15.3% |
| L'Assomption, QC | 23,628 | 85 | 14.6% |
| City | Population | Cost of Living Index | National Avg. |
| Crystal, MN | 23,618 | n/a | |
| Kihei, HI | 23,616 | n/a | |
| Dickinson, ND | 23,614 | n/a | |
| Farragut, TN | 23,607 | n/a | |
| Solon, OH | 23,652 | n/a | |
| L'Assomption, QC | 23,628 | 85 | 14.6% |