| Statistic | Reportedincidents | /100k people | Martelle/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 1,703 (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) | 269 (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) | 1,435 (estimate) | 1,297 | 1,760 |


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| Item | Martelle | 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 |
| Solon, IA | 2,690 | 43 | 229 | 272 |
| Ely, IA | 2,224 | 50 | 267 | 317 |
| Lisbon, IA | 2,138 | 75 | 399 | 474 |
| Central City, IA | 1,207 | 78 | 414 | 492 |
| Springville, IA | 1,212 | 88 | 472 | 561 |
| Marion, IA | 39,910 | 123 | 497 | 620 |
| Anamosa, IA | 5,484 | 104 | 570 | 673 |
| Martelle, IA | 309 | 269 | 1,435 | 1,703 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| New Munich, MN | 309 | 333 | 2,081 | 2,414 |
| Readsboro, VT | 309 | 287 | 2,133 | 2,420 |
| Dillon Beach, CA | 309 | 196 | 840 | 1,036 |
| Bancroft, ID | 309 | 297 | 946 | 1,243 |
| Newport, IN | 309 | 424 | 1,868 | 2,292 |
| Martelle, IA | 309 | 269 | 1,435 | 1,703 |