| Index | Saint-Léon-le-Grand/100k people | Quebec/100k people | National/100k people |
| Total crime | 2,647 (estimate) | 2,478 | 4,223 |
| Violent crime | 897 (estimate) | 840 | 1,042 |
| Property crime | 1,750 (estimate) | 1,638 | 3,181 |
| Statistic | Saint-Léon-le-Grand | Quebec | National |
| Total incidents | n/a | 308,070 | 2,225,600 |
| Incidents per 100k | n/a | 3,593 | 5,856 |
| Change in 100k rate | n/a | -11.6% | -9.8% |
| Statistic | Saint-Léon-le-Grand | Quebec | National |
| All (12+ years) | n/a | 1,469 | 1,709 |
| Youths (12-17) | n/a | 1,205 | 1,108 |
| Adults (18+) | n/a | 1,489 | 1,757 |
| Statistic | Saint-Léon-le-Grand | Quebec | National |
| Clearance rate | n/a | 45 | 37 |
| Clearance rate change | n/a | -1.1% | 0.2% |
| Clearance rate violent | n/a | 67 | 58 |
| Clearance rate property | n/a | 31 | 27 |
| Statistic | Saint-Léon-le-Grand | Quebec | National |
| Total | n/a | -7.5% | -7.9% |
| Violent | n/a | -0.8% | -3.6% |
| Property | n/a | -11.2% | -9.8% |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Saint-Étienne-des-Grès, QC | 4,645 | 567 | 1,105 | 1,672 |
| Saint-Boniface, QC | 5,825 | 685 | 1,335 | 2,019 |
| Maskinongé, QC | 2,304 | 734 | 1,430 | 2,164 |
| Yamachiche, QC | 2,934 | 743 | 1,448 | 2,190 |
| Saint-Cuthbert, QC | 1,912 | 812 | 1,584 | 2,396 |
| Saint-Barthélemy, QC | 1,995 | 813 | 1,586 | 2,400 |
| Saint-Sévère, QC | 289 | 814 | 1,588 | 2,402 |
| Saint-Léon-le-Grand, QC | 931 | 897 | 1,750 | 2,647 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Lot 20, PE | 931 | 610 | 2,265 | 2,875 |
| Grand Rapids 33, MB | 931 | 2,355 | 6,188 | 8,542 |
| Kearney, ON | 931 | 787 | 2,278 | 3,065 |
| O'Leary, PE | 932 | 902 | 3,349 | 4,251 |
| Très-Saint-Rédempteur, QC | 930 | 526 | 1,026 | 1,552 |
| Saint-Léon-le-Grand, QC | 931 | 897 | 1,750 | 2,647 |