| Statistic | Reportedincidents | /100k people | Duncannon/100k people | Pennsylvania/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 789 (estimate) | 1,845 | 2,281 |
| Murder | n/a | n/a | n/a | 6.6 | 5.7 |
| Rape | n/a | n/a | n/a | 25.1 | 38.0 |
| Robbery | n/a | n/a | n/a | 63.5 | 66.5 |
| Assault | n/a | n/a | n/a | 171.2 | 264.1 |
| Violent crime | n/a | n/a (estimate) | 114 (estimate) | 266 | 364 |
| Burglary | n/a | n/a | n/a | 138.1 | 250.7 |
| Theft | n/a | n/a | n/a | 1,176.2 | 1,347.2 |
| Vehicle theft | n/a | n/a | n/a | 264.8 | 318.7 |
| Property crime | n/a | n/a (estimate) | 675 (estimate) | 1,579 | 1,917 |


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| Item | Duncannon | Pennsylvania | National |
| Law enforcement employees (officers & civilians) | 2 | 14,701 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 1.8 | 3.3 |
| State | Total offenders | Pennsylvania /100K | National /100K |
| Pennsylvania | 21,558 | 176 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Halifax, PA | 970 | 0 | 0 | 0 |
| Colony Park, PA | 1,135 | 46 | 273 | 319 |
| Bloomfield, PA | 1,268 | 91 | 539 | 630 |
| Shiremanstown, PA | 1,611 | 92 | 547 | 639 |
| New Cumberland, PA | 7,305 | 144 | 499 | 644 |
| Dauphin, PA | 1,097 | 95 | 564 | 659 |
| Paxtang, PA | 1,726 | 98 | 582 | 681 |
| Duncannon, PA | 1,305 | 114 | 675 | 789 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Belfast, PA | 1,305 | 71 | 422 | 493 |
| Faxon, PA | 1,305 | 92 | 545 | 637 |
| Shell Knob, MO | 1,306 | 109 | 496 | 604 |
| Northlakes, NC | 1,304 | 69 | 365 | 435 |
| Livonia, LA | 1,304 | 186 | 892 | 1,078 |
| Duncannon, PA | 1,305 | 114 | 675 | 789 |