| Index | Lamarche | Quebec | National |
| Median household income | $64,338 | $72,311 | $82,436 |
| Unemployment rate | 4.8% | 3.7% | 6.4% |
| In labour force | 49.1% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 5.2% |
| Manufacturing sector | 12.2% |
| Financial & insurance services | 2.3% |
| Wholesale & retail services | 6.8% |
| Public administration | 0.0% |
| Transportation, warehousing & utilities | 2.0% |
| Education, health & social services | 0.5% |
| Other | 17.9% |
| City | Population | Household Income | National Avg. |
| Saint-Ambroise, QC | 3,888 | $75,718 | 8.1% |
| Labrecque, QC | 1,364 | $75,435 | 8.5% |
| Saint-Nazaire, QC | 2,046 | $74,151 | 10.1% |
| L'Ascension-de-Notre-Seigneur, QC | 1,976 | $71,345 | 13.5% |
| Alma, QC | 30,501 | $68,767 | 16.6% |
| Lamarche, QC | 487 | $64,338 | 22.0% |
| City | Population | Household Income | National Avg. |
| Arkansas City, AR | 487 | n/a | |
| Smartsville, CA | 487 | n/a | |
| Yettem, CA | 487 | n/a | |
| Downieville-Lawson-Dumont, CO | 487 | n/a | |
| Lyerly, GA | 487 | n/a | |
| Lamarche, QC | 487 | $64,338 | 22.0% |