| Statistic | Reportedincidents | /100k people | Fairfax/100k people | South Dakota/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 2,646 (estimate) | 1,948 | 2,119 |
| Murder | n/a | n/a | n/a | 4.7 | 5.0 |
| Rape | n/a | n/a | n/a | 51.5 | 37.5 |
| Robbery | n/a | n/a | n/a | 22.6 | 60.6 |
| Assault | n/a | n/a | n/a | 283.6 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 492 (estimate) | 362 | 359 |
| Burglary | n/a | n/a | n/a | 194.7 | 229.2 |
| Theft | n/a | n/a | n/a | 1,195.5 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 195.9 | 258.8 |
| Property crime | n/a | n/a (estimate) | 2,155 (estimate) | 1,586 | 1,760 |


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| Item | Fairfax | 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 |
| Butte, NE | 348 | 282 | 2,085 | 2,367 |
| Spencer, NE | 345 | 286 | 2,114 | 2,400 |
| Bonesteel, SD | 386 | 505 | 2,212 | 2,717 |
| Naper, NE | 83 | 327 | 2,420 | 2,747 |
| Fairfax, SD | 138 | 492 | 2,155 | 2,646 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Adamsburg, PA | 138 | 273 | 1,594 | 1,867 |
| Winchester, AR | 138 | 828 | 2,760 | 3,588 |
| Albert, KS | 138 | 600 | 2,675 | 3,275 |
| Fulton, SD | 138 | 474 | 2,077 | 2,551 |
| Rew, PA | 138 | 388 | 2,261 | 2,648 |
| Fairfax, SD | 138 | 492 | 2,155 | 2,646 |