| Statistic | Reportedincidents | /100k people | Colchester/100k people | Connecticut/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 1,427 (estimate) | 1,502 | 2,119 |
| Murder | n/a | n/a | n/a | 2.4 | 5.0 |
| Rape | n/a | n/a | n/a | 17.9 | 37.5 |
| Robbery | n/a | n/a | n/a | 38.1 | 60.6 |
| Assault | n/a | n/a | n/a | 77.5 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 129 (estimate) | 136 | 359 |
| Burglary | n/a | n/a | n/a | 117.3 | 229.2 |
| Theft | n/a | n/a | n/a | 1,013.7 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 235.0 | 258.8 |
| Property crime | n/a | n/a (estimate) | 1,298 (estimate) | 1,366 | 1,760 |


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| Item | Colchester | Connecticut | National |
| Law enforcement employees (officers & civilians) | n/a | 5,593 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 2.6 | 3.3 |
| State | Total offenders | Connecticut /100K | National /100K |
| Connecticut | 6,088 | 184 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Higganum, CT | 1,763 | 33 | 336 | 369 |
| Chester Center, CT | 1,731 | 39 | 389 | 428 |
| Portland, CT | 5,937 | 0 | 434 | 434 |
| East Hampton, CT | 3,526 | 23 | 420 | 443 |
| South Coventry, CT | 1,413 | 40 | 406 | 446 |
| Moodus, CT | 1,802 | 42 | 417 | 459 |
| Deep River Center, CT | 2,638 | 46 | 465 | 511 |
| Colchester, CT | 5,147 | 129 | 1,298 | 1,427 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Johnstown, OH | 5,149 | 168 | 617 | 785 |
| Sterling, AK | 5,150 | 367 | 867 | 1,234 |
| Philomath, OR | 5,143 | 86 | 804 | 889 |
| Myrtletown, CA | 5,143 | 391 | 1,671 | 2,062 |
| Granite Shoals, TX | 5,142 | 108 | 288 | 396 |
| Colchester, CT | 5,147 | 129 | 1,298 | 1,427 |