| | | Spencer County | KY | 21215 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=SpencerCounty+KY |
| | | Trigg County | KY | 21221 | | Clarksville, TN-KY 17300 | | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=TriggCounty+KY |
| | | Trimble County | KY | 21223 | | | | | metro county (urban) | farm-dependent | https://maps.google.com/?q=TrimbleCounty+KY |
| | | Warren County | KY | 21227 | | Bowling Green, KY 14540 | Bowling
Green-Glasgow-Franklin,
KY 150 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WarrenCounty+KY |
| | | Woodford County | KY | 21239 | | Lexington-Fayette, KY 30460 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=WoodfordCounty+KY |
| | | Adair County | KY | 21001 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=AdairCounty+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 |
| | | Barren County | KY | 21009 | | Glasgow, KY 23980 | Bowling
Green-Glasgow-Franklin,
KY 150 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BarrenCounty+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 |
