| Statistic | Reportedincidents | /100k people | Cromwell/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,240 (estimate) | 1,721 | 2,281 |
| Murder | n/a | n/a | n/a | 2.5 | 5.7 |
| Rape | n/a | n/a | n/a | 41.3 | 38.0 |
| Robbery | n/a | n/a | n/a | 22.3 | 66.5 |
| Assault | n/a | n/a | n/a | 213.9 | 264.1 |
| Violent crime | n/a | n/a (estimate) | 364 (estimate) | 280 | 364 |
| Burglary | n/a | n/a | n/a | 218.6 | 250.7 |
| Theft | n/a | n/a | n/a | 1,056.8 | 1,347.2 |
| Vehicle theft | n/a | n/a | n/a | 165.2 | 318.7 |
| Property crime | n/a | n/a (estimate) | 1,876 (estimate) | 1,441 | 1,917 |


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| Item | Cromwell | 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 |
| Lenox, IA | 1,446 | 116 | 595 | 710 |
| Corning, IA | 1,671 | 118 | 607 | 725 |
| Creston, IA | 7,754 | 315 | 1,176 | 1,491 |
| Afton, IA | 901 | 362 | 1,864 | 2,226 |
| Macksburg, IA | 97 | 363 | 1,869 | 2,232 |
| Tingley, IA | 105 | 363 | 1,870 | 2,234 |
| Orient, IA | 434 | 364 | 1,872 | 2,236 |
| Cromwell, IA | 72 | 364 | 1,876 | 2,240 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Symerton, IL | 72 | 341 | 1,893 | 2,234 |
| Riverview Estates, MO | 72 | 185 | 846 | 1,032 |
| Old Appleton, MO | 72 | 632 | 2,884 | 3,516 |
| Promise City, IA | 72 | 425 | 2,186 | 2,610 |
| Babcock, WI | 72 | 399 | 1,679 | 2,078 |
| Cromwell, IA | 72 | 364 | 1,876 | 2,240 |