| Statistic | Reportedincidents | /100k people | Twin Lakes/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 622 (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) | 98 (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) | 524 (estimate) | 1,297 | 1,760 |


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| Item | Twin Lakes | 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 |
| Sac City, IA | 1,864 | 299 | 149 | 448 |
| Lake City, IA | 1,751 | 60 | 423 | 484 |
| Manson, IA | 1,760 | 96 | 514 | 611 |
| Rockwell City, IA | 2,166 | 134 | 715 | 849 |
| Knierim, IA | 57 | 256 | 1,368 | 1,625 |
| Fonda, IA | 542 | 317 | 1,694 | 2,011 |
| Auburn, IA | 180 | 318 | 1,697 | 2,015 |
| Twin Lakes, IA | 308 | 98 | 524 | 622 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Walker Lake, NV | 308 | 571 | 3,118 | 3,688 |
| Willisville, AR | 308 | 806 | 2,686 | 3,491 |
| Hume, MO | 308 | 584 | 2,452 | 3,036 |
| Parkdale, OR | 308 | 302 | 2,180 | 2,482 |
| Mapleville, MD | 308 | 456 | 2,227 | 2,683 |
| Twin Lakes, IA | 308 | 98 | 524 | 622 |