| Index | St. Mary's/100k people | Nova Scotia/100k people | National/100k people |
| Total crime | 3,791 (estimate) | 4,220 | 4,223 |
| Violent crime | 1,094 (estimate) | 1,218 | 1,042 |
| Property crime | 2,697 (estimate) | 3,002 | 3,181 |
| Statistic | St. Mary's | Nova Scotia | National |
| Total incidents | n/a | 57,298 | 2,225,600 |
| Incidents per 100k | n/a | 5,851 | 5,856 |
| Change in 100k rate | n/a | -0.4% | -9.8% |
| Statistic | St. Mary's | Nova Scotia | National |
| All (12+ years) | n/a | 1,590 | 1,709 |
| Youths (12-17) | n/a | 968 | 1,108 |
| Adults (18+) | n/a | 1,634 | 1,757 |
| Statistic | St. Mary's | Nova Scotia | National |
| Clearance rate | n/a | 38 | 37 |
| Clearance rate change | n/a | 1.6% | 0.2% |
| Clearance rate violent | n/a | 61 | 58 |
| Clearance rate property | n/a | 24 | 27 |
| Statistic | St. Mary's | Nova Scotia | National |
| Total | n/a | 7.9% | -7.9% |
| Violent | n/a | 18.5% | -3.6% |
| Property | n/a | 2.6% | -9.8% |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| St. Mary's, NS | 2,105 | 1,094 | 2,697 | 3,791 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Balgonie, SK | 2,105 | 744 | 2,403 | 3,146 |
| Drummond, NB | 2,106 | 1,069 | 2,450 | 3,520 |
| Fermont, QC | 2,107 | 358 | 699 | 1,057 |
| Grand Bank, NL | 2,107 | 1,343 | 3,415 | 4,758 |
| Indian Head, SK | 2,103 | 817 | 2,641 | 3,459 |
| St. Mary's, NS | 2,105 | 1,094 | 2,697 | 3,791 |