| | Robertson County | KY | 21201 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=RobertsonCounty+KY |
| | Rockcastle County | KY | 21203 | | Richmond-Berea, KY 40080 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RockcastleCounty+KY |
| | Rowan County | KY | 21205 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=RowanCounty+KY |
| | Russell County | KY | 21207 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=RussellCounty+KY |
| | Scott County | KY | 21209 | | Lexington-Fayette, KY 30460 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ScottCounty+KY |
| | Shelby County | KY | 21211 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ShelbyCounty+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 |
| | 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 |
| | Taylor County | KY | 21217 | | Campbellsville, KY 15820 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=TaylorCounty+KY |
| | Todd County | KY | 21219 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ToddCounty+KY |