| Index | Saint-Denis-sur-Richelieu | Quebec | National |
| Median household income | $78,134 | $72,311 | $82,436 |
| Unemployment rate | 2.9% | 3.7% | 6.4% |
| In labour force | 63.7% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 6.2% |
| Manufacturing sector | 9.5% |
| Financial & insurance services | 2.3% |
| Wholesale & retail services | 9.7% |
| Public administration | 1.4% |
| Transportation, warehousing & utilities | 3.5% |
| Education, health & social services | 9.1% |
| Other | 21.0% |
| City | Population | Household Income | National Avg. |
| Saint-Mathieu-de-Beloeil, QC | 2,671 | $121,211 | 47.0% |
| Boucherville, QC | 42,869 | $115,814 | 40.5% |
| Sainte-Julie, QC | 30,753 | $112,394 | 36.3% |
| Mont-Saint-Hilaire, QC | 19,745 | $111,675 | 35.5% |
| Varennes, QC | 21,490 | $106,601 | 29.3% |
| Saint-Denis-sur-Richelieu, QC | 2,306 | $78,134 | 5.2% |
| City | Population | Household Income | National Avg. |
| Lake Placid, FL | 2,306 | n/a | |
| Broad Creek, NC | 2,306 | n/a | |
| Brogden, NC | 2,306 | n/a | |
| Coopersburg, PA | 2,306 | n/a | |
| Surgoinsville, TN | 2,306 | n/a | |
| Saint-Denis-sur-Richelieu, QC | 2,306 | $78,134 | 5.2% |