| Statistic | Reportedincidents | /100k people | Martensdale/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 1,602 (estimate) | 1,540 | 2,119 |
| Murder | n/a | n/a | n/a | 2.1 | 5.0 |
| Rape | n/a | n/a | n/a | 35.2 | 37.5 |
| Robbery | n/a | n/a | n/a | 18.7 | 60.6 |
| Assault | n/a | n/a | n/a | 187.2 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 253 (estimate) | 243 | 359 |
| Burglary | n/a | n/a | n/a | 199.1 | 229.2 |
| Theft | n/a | n/a | n/a | 962.6 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 135.1 | 258.8 |
| Property crime | n/a | n/a (estimate) | 1,349 (estimate) | 1,297 | 1,760 |


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| Item | Martensdale | Iowa | National |
| Law enforcement employees (officers & civilians) | n/a | 3,827 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 1.8 | 3.3 |
| State | Total offenders | Iowa /100K | National /100K |
| Iowa | 6,040 | 205 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Van Meter, IA | 1,386 | 55 | 55 | 110 |
| Norwalk, IA | 11,467 | 109 | 180 | 289 |
| Cumming, IA | 536 | 98 | 524 | 622 |
| Carlisle, IA | 4,181 | 114 | 525 | 639 |
| Winterset, IA | 5,309 | 186 | 726 | 912 |
| St. Charles, IA | 787 | 211 | 1,126 | 1,337 |
| St. Marys, IA | 182 | 211 | 1,127 | 1,338 |
| Martensdale, IA | 504 | 253 | 1,349 | 1,602 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Denmark, IA | 504 | 152 | 810 | 962 |
| St. Cloud, WI | 504 | 286 | 1,186 | 1,472 |
| Wilkeson, WA | 504 | 312 | 2,357 | 2,669 |
| Henry, TN | 504 | 732 | 2,511 | 3,243 |
| Hudson, IN | 504 | 419 | 1,848 | 2,267 |
| Martensdale, IA | 504 | 253 | 1,349 | 1,602 |