| Statistic | Reportedincidents | /100k people | Rockville/100k people | South Carolina/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 971 (estimate) | 2,403 | 2,119 |
| Murder | n/a | n/a | n/a | 7.5 | 5.0 |
| Rape | n/a | n/a | n/a | 37.1 | 37.5 |
| Robbery | n/a | n/a | n/a | 35.1 | 60.6 |
| Assault | n/a | n/a | n/a | 357.1 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 177 (estimate) | 437 | 359 |
| Burglary | n/a | n/a | n/a | 282.4 | 229.2 |
| Theft | n/a | n/a | n/a | 1,468.2 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 215.1 | 258.8 |
| Property crime | n/a | n/a (estimate) | 794 (estimate) | 1,966 | 1,760 |


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| Item | Rockville | South Carolina | National |
| Law enforcement employees (officers & civilians) | n/a | 5,812 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 5.1 | 3.3 |
| State | Total offenders | South Carolina /100K | National /100K |
| South Carolina | 15,193 | 377 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Meggett, SC | 1,124 | 61 | 276 | 337 |
| Kiawah Island, SC | 1,772 | 61 | 276 | 337 |
| Seabrook Island, SC | 1,810 | 61 | 276 | 337 |
| Ravenel, SC | 2,650 | 126 | 569 | 695 |
| Hollywood, SC | 5,273 | 142 | 639 | 781 |
| James Island, SC | 12,157 | 166 | 749 | 915 |
| Edisto Beach, SC | 710 | 0 | 1,231 | 1,231 |
| Rockville, SC | 132 | 177 | 794 | 971 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Forest River, ND | 132 | 343 | 2,274 | 2,617 |
| Geneva, IA | 132 | 323 | 1,726 | 2,049 |
| Woodcock, PA | 132 | 291 | 1,700 | 1,992 |
| Kettlersville, OH | 132 | 315 | 1,660 | 1,974 |
| Yellow Bluff, AL | 132 | 538 | 2,337 | 2,874 |
| Rockville, SC | 132 | 177 | 794 | 971 |