| | 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 |
| | 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 |
| | Grant Parish | LA | 22043 | | Alexandria, LA 10780 | | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=GrantParish+LA |
| | Franklin Parish | LA | 22041 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=FranklinParish+LA |
| | Evangeline Parish | LA | 22039 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=EvangelineParish+LA |
| | East Feliciana Parish | LA | 22037 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=EastFelicianaParish+LA |
| | East Carroll Parish | LA | 22035 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=EastCarrollParish+LA |
| | East Baton Rouge Parish | LA | 22033 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=EastBatonRougeParish+LA |
| | De Soto Parish | LA | 22031 | | Shreveport-Bossier City,
LA 43340 | Shreveport-Bossier
City-Minden, LA 508 | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=DeSotoParish+LA |
| | Concordia Parish | LA | 22029 | | Natchez, MS-LA 35020 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ConcordiaParish+LA |