| Statistic | Reportedincidents | /100k people | Rockville/100k people | Nebraska/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,520 (estimate) | 1,847 | 2,119 |
| Murder | n/a | n/a | n/a | 2.1 | 5.0 |
| Rape | n/a | n/a | n/a | 43.5 | 37.5 |
| Robbery | n/a | n/a | n/a | 20.5 | 60.6 |
| Assault | n/a | n/a | n/a | 154.5 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 300 (estimate) | 221 | 359 |
| Burglary | n/a | n/a | n/a | 155.1 | 229.2 |
| Theft | n/a | n/a | n/a | 1,218.9 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 252.6 | 258.8 |
| Property crime | n/a | n/a (estimate) | 2,220 (estimate) | 1,627 | 1,760 |


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| Item | Rockville | Nebraska | National |
| Law enforcement employees (officers & civilians) | n/a | 2,523 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 2.1 | 3.3 |
| State | Total offenders | Nebraska /100K | National /100K |
| Nebraska | 6,070 | 345 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Cairo, NE | 1,123 | 80 | 589 | 669 |
| Ravenna, NE | 1,465 | 89 | 659 | 748 |
| Loup City, NE | 1,004 | 99 | 733 | 832 |
| Hazard, NE | 45 | 251 | 1,859 | 2,111 |
| Pleasanton, NE | 410 | 256 | 1,896 | 2,152 |
| Farwell, NE | 92 | 280 | 2,074 | 2,354 |
| Elba, NE | 268 | 281 | 2,081 | 2,362 |
| Rockville, NE | 176 | 300 | 2,220 | 2,520 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Silver Creek, MS | 176 | 258 | 1,673 | 1,930 |
| Glacier View, AK | 176 | 783 | 1,850 | 2,632 |
| Concord, VT | 176 | 286 | 2,128 | 2,414 |
| Rockland, ID | 176 | 279 | 889 | 1,167 |
| Harvey, IA | 176 | 365 | 1,949 | 2,314 |
| Rockville, NE | 176 | 300 | 2,220 | 2,520 |