Founded in 1845, Jackson Parish is one of 64 parishes in the state of Louisiana. Historically, Jackson Parish was formed from parts of Claiborne Parish, Ouachita Parish and Union Parish. The city of Jonesboro is the parish seat. With FIPS code of 49, Jackson Parish has a population of 14,876 and area of 580 square miles (1,502 km2).
List of all cities in Jackson Parish, LA alphabetically
| City/Town | Postal Code | Area Code |
| Elton, LA | 70532 | 337 |
| Fenton, LA | 70640 | 337 |
| Jennings, LA | 70546 | 337 |
| Lacassine, LA | 70650 | 337 |
| Lake Arthur, LA | 70549 | 337 |
| Roanoke, LA | 70581 | 337 |
| Welsh, LA | 70591 | 337 |