| Statistic | Reportedincidents | /100k people | Marion/100k people | South Dakota/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,257 (estimate) | 1,968 | 2,281 |
| Murder | n/a | n/a | n/a | 2.9 | 5.7 |
| Rape | n/a | n/a | n/a | 50.3 | 38.0 |
| Robbery | n/a | n/a | n/a | 20.4 | 66.5 |
| Assault | n/a | n/a | n/a | 276.1 | 264.1 |
| Violent crime | n/a | n/a (estimate) | 401 (estimate) | 350 | 364 |
| Burglary | n/a | n/a | n/a | 222.1 | 250.7 |
| Theft | n/a | n/a | n/a | 1,151.4 | 1,347.2 |
| Vehicle theft | n/a | n/a | n/a | 244.9 | 318.7 |
| Property crime | n/a | n/a (estimate) | 1,856 (estimate) | 1,618 | 1,917 |


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| Item | Marion | South Dakota | National |
| Law enforcement employees (officers & civilians) | n/a | 995 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 2.2 | 3.3 |
| State | Total offenders | South Dakota /100K | National /100K |
| South Dakota | n/a | n/a | n/a |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Freeman, SD | 1,641 | 152 | 703 | 855 |
| Parker, SD | 876 | 296 | 1,369 | 1,666 |
| Chancellor, SD | 292 | 394 | 1,822 | 2,217 |
| Davis, SD | 94 | 397 | 1,834 | 2,230 |
| Hurley, SD | 416 | 427 | 1,974 | 2,401 |
| Canistota, SD | 663 | 448 | 2,072 | 2,520 |
| Bridgewater, SD | 322 | 450 | 2,081 | 2,532 |
| Marion, SD | 911 | 401 | 1,856 | 2,257 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Hazel Green, WI | 911 | 323 | 1,362 | 1,686 |
| Atwater, OH | 912 | 352 | 2,081 | 2,432 |
| Heidelberg, MS | 912 | 488 | 813 | 1,301 |
| Harriston, VA | 910 | 275 | 1,936 | 2,211 |
| Togiak, AK | 910 | 1,103 | 2,851 | 3,954 |
| Marion, SD | 911 | 401 | 1,856 | 2,257 |