| Statistic | Reportedincidents | /100k people | Terril/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,121 (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) | 335 (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) | 1,786 (estimate) | 1,297 | 1,760 |


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| Item | Terril | 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 |
| Estherville, IA | 5,729 | 275 | 310 | 585 |
| Orleans, IA | 524 | 98 | 524 | 622 |
| Arnolds Park, IA | 964 | 98 | 524 | 622 |
| Wahpeton, IA | 417 | 98 | 524 | 622 |
| Okoboji, IA | 913 | 98 | 524 | 622 |
| West Okoboji, IA | 345 | 98 | 524 | 622 |
| Milford, IA | 3,015 | 110 | 588 | 698 |
| Terril, IA | 343 | 335 | 1,786 | 2,121 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Esperance, NY | 343 | 512 | 2,316 | 2,827 |
| Boyne Falls, MI | 343 | 484 | 1,538 | 2,022 |
| Fairview, WV | 343 | 287 | 1,340 | 1,627 |
| Leonard, MI | 343 | 312 | 990 | 1,302 |
| Rushmore, MN | 343 | 365 | 2,282 | 2,647 |
| Terril, IA | 343 | 335 | 1,786 | 2,121 |