| Statistic | Reportedincidents | /100k people | Arion/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,489 (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) | 393 (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) | 2,096 (estimate) | 1,297 | 1,760 |


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| Item | Arion | 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 |
| Woodbine, IA | 1,391 | 80 | 429 | 509 |
| Dunlap, IA | 1,214 | 106 | 567 | 674 |
| Denison, IA | 8,319 | 124 | 821 | 946 |
| Earling, IA | 416 | 241 | 1,285 | 1,526 |
| Schleswig, IA | 979 | 286 | 1,526 | 1,812 |
| Buck Grove, IA | 35 | 291 | 1,554 | 1,845 |
| Irwin, IA | 327 | 307 | 1,638 | 1,945 |
| Arion, IA | 106 | 393 | 2,096 | 2,489 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Millerville, MN | 106 | 361 | 2,258 | 2,619 |
| Dotyville, OK | 106 | 171 | 799 | 970 |
| Leadore, ID | 106 | 300 | 955 | 1,254 |
| Carpenter, IA | 106 | 347 | 1,854 | 2,202 |
| Vona, CO | 106 | 721 | 3,929 | 4,651 |
| Arion, IA | 106 | 393 | 2,096 | 2,489 |