| Statistic | Reportedincidents | /100k people | Thornburg/100k people | Iowa/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,208 (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) | 348 (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) | 1,859 (estimate) | 1,297 | 1,760 |


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| Item | Thornburg | 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 |
| Sigourney, IA | 1,909 | 0 | 0 | 0 |
| Montezuma, IA | 1,490 | 94 | 503 | 598 |
| Keomah Village, IA | 114 | 201 | 1,073 | 1,275 |
| Millersburg, IA | 181 | 258 | 1,375 | 1,632 |
| North English, IA | 957 | 289 | 1,544 | 1,833 |
| Gibson, IA | 30 | 291 | 1,554 | 1,845 |
| Guernsey, IA | 39 | 313 | 1,670 | 1,983 |
| Thornburg, IA | 55 | 348 | 1,859 | 2,208 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Placerville, ID | 55 | 217 | 693 | 910 |
| Mantador, ND | 55 | 346 | 2,290 | 2,636 |
| Nodaway, IA | 55 | 318 | 1,699 | 2,017 |
| Fish Lake, MN | 55 | 141 | 879 | 1,020 |
| Great Bend, ND | 55 | 322 | 2,130 | 2,451 |
| Thornburg, IA | 55 | 348 | 1,859 | 2,208 |