| Statistic | Reportedincidents | /100k people | Nisland/100k people | South Dakota/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,781 (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) | 495 (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) | 2,287 (estimate) | 1,618 | 1,917 |


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| Item | Nisland | 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 |
| Belle Fourche, SD | 5,628 | 252 | 1,191 | 1,443 |
| Whitewood, SD | 986 | 375 | 1,734 | 2,109 |
| Spearfish, SD | 11,702 | 188 | 1,966 | 2,154 |
| Newell, SD | 784 | 472 | 2,183 | 2,656 |
| Nisland, SD | 209 | 495 | 2,287 | 2,781 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Gays, IL | 209 | 418 | 2,321 | 2,740 |
| Oakville, IA | 209 | 388 | 1,995 | 2,382 |
| Collins, WI | 209 | 300 | 1,263 | 1,562 |
| Woodlawn, KY | 209 | 177 | 1,227 | 1,404 |
| Princeton, KS | 209 | 566 | 2,756 | 3,322 |
| Nisland, SD | 209 | 495 | 2,287 | 2,781 |