| | Iberia Parish | LA | 22045 | | New Iberia, LA 35340 | Lafayette-New
Iberia-Opelousas, LA 318 | Central | metro county (urban) | mining-dependent | https://maps.google.com/?q=IberiaParish+LA |
| | Iberville Parish | LA | 22047 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=IbervilleParish+LA |
| | Jefferson Parish | LA | 22051 | | New Orleans-Metairie, LA 35380 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JeffersonParish+LA |
| | Lafayette Parish | LA | 22055 | | Lafayette, LA 29180 | Lafayette-New
Iberia-Opelousas, LA 318 | Central | metro county (urban) | mining-dependent | https://maps.google.com/?q=LafayetteParish+LA |
| | Lafourche Parish | LA | 22057 | | Houma-Bayou
Cane-Thibodaux, LA 26380 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LafourcheParish+LA |
| | Livingston Parish | LA | 22063 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LivingstonParish+LA |
| | Orleans Parish | LA | 22071 | | New Orleans-Metairie, LA 35380 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=OrleansParish+LA |
| | Ouachita Parish | LA | 22073 | | Monroe, LA 33740 | Monroe-Ruston, LA 384 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=OuachitaParish+LA |
| | Plaquemines Parish | LA | 22075 | | New Orleans-Metairie, LA 35380 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PlaqueminesParish+LA |
| | Pointe Coupee Parish | LA | 22077 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=PointeCoupeeParish+LA |