| Statistic | Reportedincidents | /100k people | Marthasville/100k people | Missouri/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 999 (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) | 192 (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) | 807 (estimate) | 1,941 | 1,760 |


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| Item | Marthasville | Missouri | National |
| Law enforcement employees (officers & civilians) | 1 | 12,115 | 558,732 |
| Police officers & civilians /1000 residents | 0.9 | 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 |
| Wright City, MO | 4,012 | 145 | 488 | 633 |
| Lake St. Louis, MO | 16,357 | 57 | 605 | 662 |
| Warrenton, MO | 8,388 | 31 | 659 | 691 |
| Wentzville, MO | 40,407 | 110 | 744 | 854 |
| New Haven, MO | 2,819 | 167 | 703 | 870 |
| New Melle, MO | 428 | 187 | 784 | 971 |
| Innsbrook, MO | 843 | 187 | 784 | 971 |
| Marthasville, MO | 2,410 | 192 | 807 | 999 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Hudson, IA | 2,409 | 56 | 301 | 358 |
| White Island Shores, MA | 2,409 | 140 | 494 | 634 |
| Lemont, PA | 2,411 | 51 | 295 | 346 |
| Argentine, MI | 2,409 | 68 | 216 | 284 |
| Brownville, NJ | 2,412 | 78 | 510 | 588 |
| Marthasville, MO | 2,410 | 192 | 807 | 999 |