| | | 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 |
| | | Wolfe County | KY | 21237 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WolfeCounty+KY |
| | | Whitley County | KY | 21235 | | Corbin, KY 18340 | Middlesborough-Corbin, KY 371 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WhitleyCounty+Kentucky |
| | | Webster County | KY | 21233 | | Henderson, KY 25775 | Evansville-Henderson,
IN-KY 241 | Outlying | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=WebsterCounty+KY |
| | | Wayne County | KY | 21231 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=WayneCounty+KY |
| | | Washington County | KY | 21229 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=WashingtonCounty+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 |
| | | Union County | KY | 21225 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=UnionCounty+KY |
| | | Trimble County | KY | 21223 | | | | | metro county (urban) | farm-dependent | https://maps.google.com/?q=TrimbleCounty+KY |
| | | Trigg County | KY | 21221 | | Clarksville, TN-KY 17300 | | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=TriggCounty+KY |
