| Statistic | Reportedincidents | /100k people | Mercer/100k people | Missouri/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,932 (estimate) | 2,403 | 2,119 |
| Murder | n/a | n/a | n/a | 7.8 | 5.0 |
| Rape | n/a | n/a | n/a | 45.2 | 37.5 |
| Robbery | n/a | n/a | n/a | 51.5 | 60.6 |
| Assault | n/a | n/a | n/a | 357.5 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 564 (estimate) | 462 | 359 |
| Burglary | n/a | n/a | n/a | 236.3 | 229.2 |
| Theft | n/a | n/a | n/a | 1,306.5 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 398.4 | 258.8 |
| Property crime | n/a | n/a (estimate) | 2,368 (estimate) | 1,941 | 1,760 |


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| Item | Mercer | Missouri | National |
| Law enforcement employees (officers & civilians) | n/a | 12,115 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 3.7 | 3.3 |
| State | Total offenders | Missouri /100K | National /100K |
| Missouri | 19,657 | 344 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Princeton, MO | 1,211 | 234 | 984 | 1,218 |
| Clio, IA | 56 | 327 | 1,747 | 2,074 |
| Lineville, IA | 261 | 333 | 1,777 | 2,110 |
| Allerton, IA | 453 | 361 | 1,927 | 2,288 |
| Davis City, IA | 255 | 384 | 2,051 | 2,435 |
| Ravanna, MO | 105 | 610 | 2,563 | 3,173 |
| Cainsville, MO | 203 | 635 | 2,668 | 3,303 |
| Mercer, MO | 323 | 564 | 2,368 | 2,932 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Manalapan, FL | 323 | 108 | 574 | 682 |
| Patrick, SC | 323 | 646 | 2,904 | 3,550 |
| Stinesville, IN | 323 | 360 | 1,585 | 1,945 |
| Barnum, IA | 323 | 294 | 1,570 | 1,865 |
| Brisbin, PA | 323 | 314 | 1,830 | 2,143 |
| Mercer, MO | 323 | 564 | 2,368 | 2,932 |