| Index | Mary's Harbour | Newfoundland and Labrador | National |
| Median household income | $89,405 | $73,940 | $82,436 |
| Unemployment rate | 15.3% | 10.8% | 6.4% |
| In labour force | 56.4% | 57.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 4.6% |
| Manufacturing sector | 11.4% |
| Financial & insurance services | 3.6% |
| Wholesale & retail services | 3.6% |
| Public administration | 6.7% |
| Transportation, warehousing & utilities | 2.8% |
| Education, health & social services | 11.3% |
| Other | 12.4% |
| City | Population | Household Income | National Avg. |
| St. Lewis, NL | 182 | $76,771 | 6.9% |
| Mary's Harbour, NL | 324 | $89,405 | 8.5% |
| City | Population | Household Income | National Avg. |
| Shaktoolik, AK | 324 | n/a | |
| Etowah, AR | 324 | n/a | |
| Grangeville, CA | 324 | n/a | |
| Las Flores CDP (Tehama County), CA | 324 | n/a | |
| Stonefort, IL | 324 | n/a | |
| Mary's Harbour, NL | 324 | $89,405 | 8.5% |