| Statistic | Reportedincidents | /100k people | Plymouth/100k people | Illinois/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,903 (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) | 2,485 (estimate) | 1,715 | 1,760 |


Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Item | Plymouth | 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 |
| Carthage, IL | 2,474 | 130 | 773 | 903 |
| Colchester, IL | 1,347 | 144 | 855 | 999 |
| Bentley, IL | 18 | 371 | 2,201 | 2,572 |
| Golden, IL | 689 | 385 | 2,285 | 2,670 |
| Macomb, IL | 17,658 | 398 | 2,363 | 2,761 |
| Tennessee, IL | 88 | 416 | 2,471 | 2,887 |
| Ferris, IL | 164 | 418 | 2,478 | 2,896 |
| Plymouth, IL | 441 | 419 | 2,485 | 2,903 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Riverdale, IA | 441 | 114 | 608 | 722 |
| Seven Devils, NC | 441 | 152 | 795 | 947 |
| Sierra Brooks, CA | 441 | 595 | 2,543 | 3,138 |
| South Mountain, TX | 441 | 450 | 2,360 | 2,810 |
| Hanover, MI | 441 | 522 | 1,659 | 2,181 |
| Plymouth, IL | 441 | 419 | 2,485 | 2,903 |