| | | Allen County | KY | 21003 | | Bowling Green, KY 14540 | Bowling
Green-Glasgow-Franklin,
KY 150 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=AllenCounty+KY |
| | | Anderson County | KY | 21005 | | Frankfort, KY 23180 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Outlying | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=AndersonCounty+KY |
| | | Ballard County | KY | 21007 | | Paducah, KY-IL 37140 | Paducah-Mayfield, KY-IL 424 | Outlying | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BallardCounty+KY |
| | | Bath County | KY | 21011 | | Mount Sterling, KY 34460 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=BathCounty+KY |
| | | Bourbon County | KY | 21017 | | Lexington-Fayette, KY 30460 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=BourbonCounty+KY |
| | | Bracken County | KY | 21023 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=BrackenCounty+KY |
| | | Butler County | KY | 21031 | | Bowling Green, KY 14540 | Bowling
Green-Glasgow-Franklin,
KY 150 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ButlerCounty+KY |
| | | Carlisle County | KY | 21039 | | Paducah, KY-IL 37140 | Paducah-Mayfield, KY-IL 424 | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=CarlisleCounty+KY |
| | | Carter County | KY | 21043 | | Huntington-Ashland,
WV-KY-OH 26580 | Charleston-Huntington-Ashland,
WV-OH-KY 170 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CarterCounty+KY |
| | | Christian County | KY | 21047 | | Clarksville, TN-KY 17300 | | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=ChristianCounty+KY |
