| | | St. Mary Parish | LA | 22101 | | Morgan City, LA 34020 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=St.MaryParish+LA |
| | | St. Tammany Parish | LA | 22103 | | Slidell-Mandeville-Covington,
LA 43640 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=St.TammanyParish+LA |
| | | Tangipahoa Parish | LA | 22105 | | Hammond, LA 25220 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=TangipahoaParish+LA |
| | | Tensas Parish | LA | 22107 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=TensasParish+LA |
| | | Terrebonne Parish | LA | 22109 | | Houma-Bayou
Cane-Thibodaux, LA 26380 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=TerrebonneParish+LA |
| | | Union Parish | LA | 22111 | | Monroe, LA 33740 | Monroe-Ruston, LA 384 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=UnionParish+LA |
| | | Vermilion Parish | LA | 22113 | | Lafayette, LA 29180 | Lafayette-New
Iberia-Opelousas, LA 318 | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=VermilionParish+LA |
| | | Vernon Parish | LA | 22115 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=VernonParish+Louisiana |
| | | Washington Parish | LA | 22117 | | Bogalusa, LA 14220 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=WashingtonParish+LA |
| | | Webster Parish | LA | 22119 | | Minden, LA 33380 | Shreveport-Bossier
City-Minden, LA 508 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WebsterParish+LA |
