| | Butler County | AL | 01013 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ButlerCounty+AL |
| | Bullock County | AL | 01011 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BullockCounty+AL |
| | Blount County | AL | 01009 | | Birmingham, AL 13820 | Birmingham-Cullman-Talladega,
AL 142 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=BlountCounty+AL |
| | Bibb County | AL | 01007 | | Birmingham, AL 13820 | Birmingham-Cullman-Talladega,
AL 142 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=BibbCounty+AL |
| | Barbour County | AL | 01005 | | Eufaula, AL-GA 21640 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BarbourCounty+AL |
| | Baldwin County | AL | 01003 | | Daphne-Fairhope-Foley, AL 19300 | Mobile-Daphne-Fairhope,
AL 380 | Central | metro county (urban) | recreation | https://maps.google.com/?q=BaldwinCounty+AL |
| | Autauga County | AL | 01001 | | Montgomery, AL 33860 | Montgomery-Selma, AL 388 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=AutaugaCounty+AL |