| Index | L'Assomption | Quebec | National |
| Median household income | $86,248 | $72,311 | $82,436 |
| Unemployment rate | 3.4% | 3.7% | 6.4% |
| In labour force | 68.0% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 6.8% |
| Manufacturing sector | 7.3% |
| Financial & insurance services | 1.7% |
| Wholesale & retail services | 11.7% |
| Public administration | 4.2% |
| Transportation, warehousing & utilities | 3.1% |
| Education, health & social services | 15.2% |
| Other | 16.6% |
| City | Population | Household Income | National Avg. |
| Varennes, QC | 21,490 | $106,601 | 29.3% |
| Saint-Charles-sur-Richelieu, QC | 1,759 | $98,675 | 19.7% |
| Saint-Marc-sur-Richelieu, QC | 2,239 | $97,550 | 18.3% |
| Terrebonne, QC | 119,135 | $94,279 | 14.4% |
| Mascouche, QC | 52,212 | $92,866 | 12.7% |
| L'Assomption, QC | 23,628 | $86,248 | 4.6% |
| City | Population | Household Income | National Avg. |
| Stoneham, MA | 23,625 | n/a | |
| South Elgin, IL | 23,648 | n/a | |
| Cudahy, CA | 23,606 | n/a | |
| Van Buren, AR | 23,600 | n/a | |
| Oak Ridge, FL | 23,596 | n/a | |
| L'Assomption, QC | 23,628 | $86,248 | 4.6% |