| Statistic | Reportedincidents | /100k people | Keystone/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 1,788 (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) | 282 (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) | 1,506 (estimate) | 1,297 | 1,760 |


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| Item | Keystone | 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 |
| Dysart, IA | 1,416 | 80 | 159 | 239 |
| Vinton, IA | 5,075 | 60 | 363 | 423 |
| Newhall, IA | 1,096 | 79 | 421 | 500 |
| Traer, IA | 1,493 | 89 | 476 | 566 |
| Holiday Lake, IA | 330 | 98 | 524 | 622 |
| West Amana, IA | 122 | 163 | 870 | 1,033 |
| Marengo, IA | 2,407 | 167 | 1,295 | 1,463 |
| Keystone, IA | 605 | 282 | 1,506 | 1,788 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Barker, NY | 605 | 574 | 2,599 | 3,173 |
| Portal, GA | 605 | 453 | 2,330 | 2,783 |
| Brasher Falls, NY | 605 | 573 | 2,595 | 3,168 |
| Augusta, IL | 605 | 418 | 2,482 | 2,900 |
| Cathlamet, WA | 605 | 406 | 3,072 | 3,478 |
| Keystone, IA | 605 | 282 | 1,506 | 1,788 |