| Statistic | Reportedincidents | /100k people | Harmon/100k people | Illinois/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 3,010 (estimate) | 2,004 | 2,119 |
| Murder | n/a | n/a | n/a | 5.8 | 5.0 |
| Rape | n/a | n/a | n/a | 46.9 | 37.5 |
| Robbery | n/a | n/a | n/a | 90.2 | 60.6 |
| Assault | n/a | n/a | n/a | 146.3 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 434 (estimate) | 289 | 359 |
| Burglary | n/a | n/a | n/a | 290.5 | 229.2 |
| Theft | n/a | n/a | n/a | 1,134.4 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 290.4 | 258.8 |
| Property crime | n/a | n/a (estimate) | 2,576 (estimate) | 1,715 | 1,760 |


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| Item | Harmon | Illinois | National |
| Law enforcement employees (officers & civilians) | n/a | 30,690 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 2.6 | 3.3 |
| State | Total offenders | Illinois /100K | National /100K |
| Illinois | 32,213 | 263 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Amboy, IL | 2,453 | 90 | 90 | 180 |
| Dixon, IL | 15,544 | 193 | 459 | 651 |
| Lost Nation, IL | 570 | 132 | 786 | 919 |
| Walnut, IL | 1,340 | 134 | 793 | 926 |
| Sterling, IL | 14,774 | 319 | 1,333 | 1,653 |
| Grand Detour, IL | 351 | 252 | 1,495 | 1,746 |
| Como, IL | 525 | 342 | 2,032 | 2,375 |
| Harmon, IL | 146 | 434 | 2,576 | 3,010 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Broadwater, NE | 146 | 332 | 2,457 | 2,789 |
| La Russell, MO | 146 | 739 | 3,107 | 3,846 |
| Crossnore, NC | 146 | 507 | 2,652 | 3,158 |
| Lewis, WI | 146 | 344 | 1,427 | 1,771 |
| Nelsonville, WI | 146 | 279 | 1,159 | 1,439 |
| Harmon, IL | 146 | 434 | 2,576 | 3,010 |