| Statistic | Reportedincidents | /100k people | Mount Joy/100k people | Pennsylvania/100k people | National/100k people |
| Total crime | 36 | n/a (estimate) | 431 | 1,681 | 2,119 |
| Murder | 0 | n/a | 0.0 | 5.0 | 5.0 |
| Rape | 0 | n/a | 0.0 | 27.8 | 37.5 |
| Robbery | 0 | n/a | 0.0 | 51.4 | 60.6 |
| Assault | 2 | n/a | 24.0 | 161.4 | 256.1 |
| Violent crime | 2 | n/a (estimate) | 24 | 246 | 359 |
| Burglary | 4 | n/a | 47.9 | 116.7 | 229.2 |
| Theft | 30 | n/a | 359.3 | 1,129.8 | 1,272.1 |
| Vehicle theft | 0 | n/a | 0.0 | 188.5 | 258.8 |
| Property crime | 34 | n/a (estimate) | 407 | 1,435 | 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 | Mount Joy | Pennsylvania | National |
| Law enforcement employees (officers & civilians) | 13 | 14,701 | 558,732 |
| Police officers & civilians /1000 residents | 1.7 | 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 |
| Cornwall, PA | 4,319 | 44 | 29 | 73 |
| Penryn, PA | 1,058 | 55 | 323 | 378 |
| Lampeter, PA | 1,778 | 56 | 328 | 384 |
| Rothsville, PA | 2,916 | 58 | 335 | 393 |
| Grantley, PA | 4,320 | 64 | 373 | 437 |
| Lititz, PA | 9,503 | 10 | 438 | 448 |
| Brickerville, PA | 1,274 | 67 | 391 | 458 |
| Mount Joy, PA | 8,204 | 24 | 407 | 431 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Westlake Village, CA | 8,203 | 148 | 1,923 | 2,071 |
| Lockwood, MT | 8,206 | 371 | 1,415 | 1,786 |
| North Patchogue, NY | 8,202 | 296 | 1,338 | 1,633 |
| Carl Junction, MO | 8,202 | 272 | 639 | 912 |
| Dry Run, OH | 8,200 | 103 | 544 | 647 |
| Mount Joy, PA | 8,204 | 24 | 407 | 431 |