| | Appling County | GA | 13001 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ApplingCounty+GA |
| | Atkinson County | GA | 13003 | | Douglas, GA 20060 | | Outlying | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=AtkinsonCounty+GA |
| | Bacon County | GA | 13005 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BaconCounty+GA |
| | Baker County | GA | 13007 | | | | | metro county (urban) | farm-dependent | https://maps.google.com/?q=BakerCounty+GA |
| | Baldwin County | GA | 13009 | | Milledgeville, GA 33300 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=BaldwinCounty+GA |
| | Banks County | GA | 13011 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BanksCounty+GA |
| | Ben Hill County | GA | 13017 | | Fitzgerald, GA 22340 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BenHillCounty+GA |
| | Berrien County | GA | 13019 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BerrienCounty+GA |
| | Bibb County | GA | 13021 | | Macon-Bibb County, GA 31420 | Macon-Bibb County--Warner
Robins, GA 356 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BibbCounty+GA |
| | Bleckley County | GA | 13023 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=BleckleyCounty+GA |