| Statistic | Reportedincidents | /100k people | Welsh/100k people | Louisiana/100k people | National/100k people |
| Total crime | 0 | n/a (estimate) | 1,430 (estimate) | 2,816 | 2,119 |
| Murder | n/a | n/a | n/a | 10.8 | 5.0 |
| Rape | n/a | n/a | n/a | 33.7 | 37.5 |
| Robbery | n/a | n/a | n/a | 39.4 | 60.6 |
| Assault | n/a | n/a | n/a | 436.0 | 256.1 |
| Violent crime | n/a | n/a (estimate) | 264 (estimate) | 520 | 359 |
| Burglary | n/a | n/a | n/a | 405.4 | 229.2 |
| Theft | n/a | n/a | n/a | 1,636.2 | 1,272.1 |
| Vehicle theft | n/a | n/a | n/a | 254.8 | 258.8 |
| Property crime | n/a | n/a (estimate) | 1,166 (estimate) | 2,296 | 1,760 |


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| Item | Welsh | Louisiana | National |
| Law enforcement employees (officers & civilians) | n/a | 7,311 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 4.2 | 3.3 |
| State | Total offenders | Louisiana /100K | National /100K |
| Louisiana | 12,948 | 286 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Lake Arthur, LA | 2,742 | 156 | 156 | 313 |
| Iowa, LA | 3,209 | 1,429 | 1,894 | 3,323 |
| Fenton, LA | 264 | 766 | 3,382 | 4,148 |
| Mermentau, LA | 616 | 769 | 3,396 | 4,165 |
| Jennings, LA | 9,874 | 1,008 | 3,348 | 4,355 |
| Welsh, LA | 3,209 | 264 | 1,166 | 1,430 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Warrensburg, NY | 3,209 | 248 | 1,122 | 1,369 |
| Iowa, LA | 3,209 | 1,429 | 1,894 | 3,323 |
| McGovern, PA | 3,209 | 69 | 403 | 472 |
| Jackson, MN | 3,208 | 128 | 797 | 924 |
| Buzzards Bay, MA | 3,208 | 128 | 450 | 578 |
| Welsh, LA | 3,209 | 264 | 1,166 | 1,430 |