| Index | St. Mary's | Newfoundland and Labrador | National |
| Median household income | $56,015 | $73,940 | $82,436 |
| Unemployment rate | 5.8% | 10.8% | 6.4% |
| In labour force | 42.0% | 57.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 8.3% |
| Manufacturing sector | 2.9% |
| Financial & insurance services | 0.0% |
| Wholesale & retail services | 4.2% |
| Public administration | 2.6% |
| Transportation, warehousing & utilities | 3.5% |
| Education, health & social services | 9.9% |
| Other | 9.9% |
| City | Population | Household Income | National Avg. |
| Trepassey, NL | 446 | $62,483 | 24.2% |
| Division No. 1, Subd. W, NL | 414 | $59,064 | 28.4% |
| Division No. 1, Subd. V, NL | 33 | $54,171 | 34.3% |
| Gaskiers-Point La Haye, NL | 228 | $51,024 | 38.1% |
| St. Joseph's, NL | 113 | $50,904 | 38.3% |
| St. Mary's, NL | 336 | $56,015 | 32.1% |
| City | Population | Household Income | National Avg. |
| Delight, AR | 336 | n/a | |
| Fargo, GA | 336 | n/a | |
| Kempton, IN | 336 | n/a | |
| Bradfordsville, KY | 336 | n/a | |
| Bellflower, MO | 336 | n/a | |
| St. Mary's, NL | 336 | $56,015 | 32.1% |