| Index | Mary's Harbour/100k people | Newfoundland and Labrador/100k people | National/100k people |
| Total crime | 1,993 | 4,884 | 4,223 |
| Violent crime | 563 | 1,379 | 1,042 |
| Property crime | 1,430 | 3,505 | 3,181 |
| Statistic | Mary's Harbour | Newfoundland and Labrador | National |
| Total incidents | 37 | 35,127 | 2,225,600 |
| Incidents per 100k | 2,745 | 6,728 | 5,856 |
| Change in 100k rate | -12.2% | 0.6% | -9.8% |
| Statistic | Mary's Harbour | Newfoundland and Labrador | National |
| All (12+ years) | 248 | 1,511 | 1,709 |
| Youths (12-17) | 0 | 1,494 | 1,108 |
| Adults (18+) | 269 | 1,512 | 1,757 |
| Statistic | Mary's Harbour | Newfoundland and Labrador | National |
| Clearance rate | 9 | 29 | 37 |
| Clearance rate change | -80.7% | -5.0% | 0.2% |
| Clearance rate violent | 59 | 45 | 58 |
| Clearance rate property | 5 | 22 | 27 |
| Statistic | Mary's Harbour | Newfoundland and Labrador | National |
| Total | -15.3% | -4.2% | -7.9% |
| Violent | -83.5% | 1.1% | -3.6% |
| Property | 23.2% | -6.4% | -9.8% |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| St. Lewis, NL | 182 | 1,377 | 3,500 | 4,878 |
| Mary's Harbour, NL | 324 | 563 | 1,430 | 1,993 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Abercorn, QC | 324 | 504 | 982 | 1,486 |
| Sahhaltkum 4, BC | 324 | 1,078 | 4,735 | 5,813 |
| Holachten 8, BC | 324 | 1,102 | 4,842 | 5,944 |
| Division No. 7, Subd. G, NL | 324 | 1,502 | 3,818 | 5,320 |
| Nédélec, QC | 324 | 892 | 1,740 | 2,632 |
| Mary's Harbour, NL | 324 | 563 | 1,430 | 1,993 |