| | | Graves County | KY | 21083 | | Mayfield, KY 32460 | Paducah-Mayfield, KY-IL 424 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GravesCounty+KY |
| | | Grayson County | KY | 21085 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GraysonCounty+KY |
| | | Greenup County | KY | 21089 | | Huntington-Ashland,
WV-KY-OH 26580 | Charleston-Huntington-Ashland,
WV-OH-KY 170 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=GreenupCounty+KY |
| | | Hopkins County | KY | 21107 | | Madisonville, KY 31580 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=HopkinsCounty+KY |
| | | Jackson County | KY | 21109 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=JacksonCounty+KY |
| | | Jefferson County | KY | 21111 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JeffersonCounty+KY |
| | | Jessamine County | KY | 21113 | | Lexington-Fayette, KY 30460 | Lexington-Fayette--Richmond--Frankfort,
KY 336 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=JessamineCounty+KY |
| | | Johnson County | KY | 21115 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=JohnsonCounty+KY |
| | | Kenton County | KY | 21117 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=KentonCounty+KY |
| | | Knox County | KY | 21121 | | Corbin, KY 18340 | Middlesborough-Corbin, KY 371 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=KnoxCounty+Kentucky |
