| Index | Mississippi Mills/100k people | Ontario/100k people | National/100k people | 
| Total crime | 2,367 (estimate) | 3,086 | 4,223 | 
| Violent crime | 607 (estimate) | 792 | 1,042 | 
| Property crime | 1,759 (estimate) | 2,294 | 3,181 | 
| Statistic | Mississippi Mills | 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 | Mississippi Mills | 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 | Mississippi Mills | 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 | Mississippi Mills | 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 | 
| Beckwith, ON | 7,986 | 249 | 721 | 970 | 
| Lanark Highlands, ON | 5,714 | 416 | 1,205 | 1,622 | 
| McNab/Braeside, ON | 7,260 | 612 | 1,773 | 2,385 | 
| Arnprior, ON | 9,608 | 663 | 1,921 | 2,584 | 
| Carleton Place, ON | 11,965 | 930 | 2,693 | 3,624 | 
| Mississippi Mills, ON | 14,064 | 607 | 1,759 | 2,367 | 
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people | 
| Beauharnois, QC | 14,056 | 1,049 | 2,045 | 3,094 | 
| Grand Falls-Windsor, NL | 14,032 | 1,429 | 3,632 | 5,062 | 
| Guelph/Eramosa, ON | 13,999 | 411 | 1,191 | 1,603 | 
| Sainte-Marie, QC | 13,983 | 733 | 1,430 | 2,164 | 
| Powell River, BC | 13,967 | 1,274 | 5,593 | 6,867 | 
| Mississippi Mills, ON | 14,064 | 607 | 1,759 | 2,367 |