| Statistic | Reportedincidents | /100k people | Nelson/100k people | Illinois/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,905 (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) | 419 (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) | 2,486 (estimate) | 1,715 | 1,760 |


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| Item | Nelson | 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 |
| Polo, IL | 2,210 | 45 | 0 | 45 |
| Amboy, IL | 2,453 | 90 | 90 | 180 |
| Milledgeville, IL | 987 | 0 | 503 | 503 |
| Dixon, IL | 15,544 | 193 | 459 | 651 |
| Oregon, IL | 3,747 | 85 | 817 | 902 |
| Lost Nation, IL | 570 | 132 | 786 | 919 |
| Sterling, IL | 14,774 | 319 | 1,333 | 1,653 |
| Nelson, IL | 132 | 419 | 2,486 | 2,905 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Vallecito, CA | 132 | 628 | 2,684 | 3,312 |
| Reedy, WV | 132 | 348 | 1,623 | 1,971 |
| Meadowview Estates, KY | 132 | 86 | 545 | 631 |
| East Salem, PA | 132 | 330 | 1,926 | 2,256 |
| Swaledale, IA | 132 | 307 | 1,641 | 1,949 |
| Nelson, IL | 132 | 419 | 2,486 | 2,905 |