| Index | Petrolia/100k people | Ontario/100k people | National/100k people | 
| Total crime | 2,704 (estimate) | 3,086 | 4,223 | 
| Violent crime | 694 (estimate) | 792 | 1,042 | 
| Property crime | 2,010 (estimate) | 2,294 | 3,181 | 
| Statistic | Petrolia | Ontario | National | 
| Total incidents | n/a | 595,868 | 2,225,600 | 
| Incidents per 100k | n/a | 4,044 | 5,856 | 
| Change in 100k rate | n/a | -11.0% | -9.8% | 
| Statistic | Petrolia | Ontario | National | 
| All (12+ years) | n/a | 1,399 | 1,709 | 
| Youths (12-17) | n/a | 837 | 1,108 | 
| Adults (18+) | n/a | 1,444 | 1,757 | 
| Statistic | Petrolia | Ontario | National | 
| Clearance rate | n/a | 40 | 37 | 
| Clearance rate change | n/a | 0.2% | 0.2% | 
| Clearance rate violent | n/a | 61 | 58 | 
| Clearance rate property | n/a | 30 | 27 | 
| Statistic | Petrolia | Ontario | National | 
| Total | n/a | -8.7% | -7.9% | 
| Violent | n/a | -7.9% | -3.6% | 
| Property | n/a | -9.1% | -9.8% | 
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people | 
| Plympton-Wyoming, ON | 8,517 | 514 | 1,490 | 2,005 | 
| Warwick, ON | 3,811 | 519 | 1,504 | 2,024 | 
| St. Clair, ON | 14,919 | 557 | 1,613 | 2,170 | 
| Enniskillen, ON | 2,704 | 577 | 1,672 | 2,250 | 
| Brooke-Alvinston, ON | 2,469 | 686 | 1,986 | 2,671 | 
| Dawn-Euphemia, ON | 1,907 | 752 | 2,178 | 2,930 | 
| Oil Springs, ON | 698 | 756 | 2,189 | 2,945 | 
| Petrolia, ON | 6,108 | 694 | 2,010 | 2,704 | 
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people | 
| Les Coteaux, QC | 6,094 | 640 | 1,249 | 1,889 | 
| Southwest Middlesex, ON | 6,087 | 718 | 2,081 | 2,799 | 
| McMasterville, QC | 6,085 | 578 | 1,127 | 1,706 | 
| Pictou, Subd. B, NS | 6,082 | 1,028 | 2,535 | 3,563 | 
| Sainte-Martine, QC | 6,075 | 630 | 1,229 | 1,859 | 
| Petrolia, ON | 6,108 | 694 | 2,010 | 2,704 |