| Statistic | Reportedincidents | /100k people | New Vienna/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 1,522 (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) | 240 (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) | 1,282 (estimate) | 1,297 | 1,760 |


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| Item | New Vienna | 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 |
| Farley, IA | 1,733 | 62 | 331 | 393 |
| Dyersville, IA | 4,131 | 22 | 372 | 393 |
| Epworth, IA | 1,792 | 72 | 382 | 454 |
| Peosta, IA | 1,964 | 91 | 594 | 685 |
| Rickardsville, IA | 215 | 185 | 989 | 1,174 |
| Centralia, IA | 140 | 195 | 1,038 | 1,233 |
| Graf, IA | 44 | 195 | 1,041 | 1,236 |
| New Vienna, IA | 401 | 240 | 1,282 | 1,522 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Abrams, WI | 401 | 269 | 1,119 | 1,388 |
| Wilton, AR | 401 | 741 | 2,470 | 3,211 |
| Walker, CA | 401 | 499 | 2,135 | 2,634 |
| Ryderwood, WA | 401 | 450 | 3,407 | 3,858 |
| Powers, MI | 401 | 569 | 1,807 | 2,376 |
| New Vienna, IA | 401 | 240 | 1,282 | 1,522 |