| Statistic | Reportedincidents | /100k people | Hartly/100k people | Delaware/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,338 (estimate) | 2,107 | 2,119 |
| Murder | n/a | n/a | n/a | 5.7 | 5.0 |
| Rape | n/a | n/a | n/a | 15.7 | 37.5 |
| Robbery | n/a | n/a | n/a | 47.0 | 60.6 |
| Assault | n/a | n/a | n/a | 292.4 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 401 (estimate) | 361 | 359 |
| Burglary | n/a | n/a | n/a | 175.1 | 229.2 |
| Theft | n/a | n/a | n/a | 1,361.9 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 208.8 | 258.8 |
| Property crime | n/a | n/a (estimate) | 1,937 (estimate) | 1,746 | 1,760 |


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| Item | Hartly | Delaware | National |
| Law enforcement employees (officers & civilians) | n/a | 962 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 5.4 | 3.3 |
| State | Total offenders | Delaware /100K | National /100K |
| Delaware | 4,039 | 505 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Clayton, DE | 3,393 | 110 | 506 | 616 |
| Viola, DE | 173 | 0 | 671 | 671 |
| Riverview, DE | 2,557 | 147 | 713 | 860 |
| Kent Acres, DE | 1,832 | 151 | 729 | 879 |
| Highland Acres, DE | 3,913 | 156 | 753 | 909 |
| Greensboro, MD | 2,873 | 207 | 778 | 985 |
| Rodney Village, DE | 1,165 | 176 | 851 | 1,027 |
| Hartly, DE | 167 | 401 | 1,937 | 2,338 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Port Wing, WI | 167 | 319 | 1,326 | 1,646 |
| Richey, MT | 167 | 497 | 1,896 | 2,393 |
| Octavia, NE | 167 | 299 | 2,211 | 2,510 |
| Woodlawn Park, OK | 167 | 171 | 799 | 970 |
| Frankfort Springs, PA | 167 | 295 | 1,723 | 2,019 |
| Hartly, DE | 167 | 401 | 1,937 | 2,338 |