| | | Laurel County | KY | 21125 | | Corbin, KY 18340 | Middlesborough-Corbin, KY 371 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LaurelCounty+Kentucky |
| | | Whitley County | KY | 21235 | | Corbin, KY 18340 | Middlesborough-Corbin, KY 371 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WhitleyCounty+Kentucky |
| | | Boyle County | KY | 21021 | | Danville, KY 19220 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BoyleCounty+KY |
| | | Lincoln County | KY | 21137 | | Danville, KY 19220 | | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LincolnCounty+KY |
| | | Hardin County | KY | 21093 | | Elizabethtown, KY 21060 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=HardinCounty+KY |
| | | Larue County | KY | 21123 | | Elizabethtown, KY 21060 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=LarueCounty+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 |
| | | Franklin County | KY | 21073 | | Frankfort, KY 23180 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=FranklinCounty+KY |
| | | Simpson County | KY | 21213 | | Franklin, KY 23190 | Bowling
Green-Glasgow-Franklin,
KY 150 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SimpsonCounty+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 |
