| Statistic | Reportedincidents | /100k people | St. Johns/100k people | Illinois/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,862 (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) | 413 (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) | 2,449 (estimate) | 1,715 | 1,760 |


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| Item | St. Johns | 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 |
| Sesser, IL | 1,742 | 108 | 54 | 162 |
| Pinckneyville, IL | 5,559 | 80 | 302 | 382 |
| Du Quoin, IL | 5,883 | 124 | 389 | 513 |
| Royalton, IL | 1,140 | 141 | 837 | 978 |
| Zeigler, IL | 1,826 | 161 | 953 | 1,114 |
| North City, IL | 698 | 349 | 2,071 | 2,419 |
| Du Bois, IL | 161 | 378 | 2,245 | 2,623 |
| St. Johns, IL | 164 | 413 | 2,449 | 2,862 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Taunton, MN | 164 | 388 | 2,422 | 2,809 |
| Brandywine, WV | 164 | 260 | 1,215 | 1,475 |
| Paradise CDP, CA | 164 | 470 | 2,008 | 2,478 |
| Creswell, NC | 164 | 355 | 1,860 | 2,216 |
| Wilton, MN | 164 | 336 | 2,099 | 2,435 |
| St. Johns, IL | 164 | 413 | 2,449 | 2,862 |