| Index | Mulgrave-et-Derry | Quebec | National |
| Median household income | $78,158 | $72,311 | $82,436 |
| Unemployment rate | 0.0% | 3.7% | 6.4% |
| In labour force | 52.7% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 5.3% |
| Manufacturing sector | 4.4% |
| Financial & insurance services | 2.5% |
| Wholesale & retail services | 6.6% |
| Public administration | 5.0% |
| Transportation, warehousing & utilities | 4.1% |
| Education, health & social services | 5.6% |
| Other | 19.1% |
| City | Population | Household Income | National Avg. |
| Val-des-Monts, QC | 13,035 | $105,594 | 28.1% |
| L'Ange-Gardien, QC | 3,768 | $94,322 | 14.4% |
| Lochaber-Partie-Ouest, QC | 1,050 | $93,319 | 13.2% |
| Mayo, QC | 653 | $83,985 | 1.9% |
| Saint-Sixte, QC | 474 | $70,743 | 14.2% |
| Mulgrave-et-Derry, QC | 354 | $78,158 | 5.2% |
| City | Population | Household Income | National Avg. |
| Rock City, IL | 354 | n/a | |
| Somerville, IN | 354 | n/a | |
| Everest, KS | 354 | n/a | |
| Greeley, KS | 354 | n/a | |
| Uniontown, KS | 354 | n/a | |
| Mulgrave-et-Derry, QC | 354 | $78,158 | 5.2% |