| Index | L'Islet/100k people | Quebec/100k people | National/100k people |
| Total crime | 1,348 | 2,478 | 4,223 |
| Violent crime | 457 | 840 | 1,042 |
| Property crime | 891 | 1,638 | 3,181 |
| Statistic | L'Islet | Quebec | National |
| Total incidents | 346 | 308,070 | 2,225,600 |
| Incidents per 100k | 1,955 | 3,593 | 5,856 |
| Change in 100k rate | -13.4% | -11.6% | -9.8% |
| Statistic | L'Islet | Quebec | National |
| All (12+ years) | 794 | 1,469 | 1,709 |
| Youths (12-17) | 903 | 1,205 | 1,108 |
| Adults (18+) | 787 | 1,489 | 1,757 |
| Statistic | L'Islet | Quebec | National |
| Clearance rate | 44 | 45 | 37 |
| Clearance rate change | -29.1% | -1.1% | 0.2% |
| Clearance rate violent | 63 | 67 | 58 |
| Clearance rate property | 34 | 31 | 27 |
| Statistic | L'Islet | Quebec | National |
| Total | -5.8% | -7.5% | -7.9% |
| Violent | 3.7% | -0.8% | -3.6% |
| Property | -10.3% | -11.2% | -9.8% |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Cap-Saint-Ignace, QC | 3,066 | 579 | 1,129 | 1,707 |
| Saint-Jean-Port-Joli, QC | 3,441 | 587 | 1,144 | 1,731 |
| Montmagny, QC | 10,961 | 624 | 1,216 | 1,840 |
| Petite-Rivière-Saint-François, QC | 857 | 652 | 1,272 | 1,924 |
| Saint-Pierre-de-la-Rivière-du-Sud, QC | 880 | 753 | 1,468 | 2,221 |
| Saint-Aubert, QC | 1,502 | 784 | 1,528 | 2,312 |
| Saint-Damase-de-L'Islet, QC | 529 | 850 | 1,657 | 2,507 |
| L'Islet, QC | 3,712 | 457 | 891 | 1,348 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Ormstown, QC | 3,717 | 555 | 1,083 | 1,638 |
| Stoney 142, 143, 144, AB | 3,724 | 590 | 2,469 | 3,058 |
| Windsor, NS | 3,698 | 1,196 | 2,950 | 4,146 |
| Pincher Creek, AB | 3,690 | 1,699 | 7,115 | 8,814 |
| North Okanagan B, BC | 3,689 | 697 | 3,061 | 3,757 |
| L'Islet, QC | 3,712 | 457 | 891 | 1,348 |