| | | Bracken County | KY | 21023 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=BrackenCounty+KY |
| | | Campbell County | KY | 21037 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=CampbellCounty+KY |
| | | Gallatin County | KY | 21077 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=GallatinCounty+KY |
| | | Grant County | KY | 21081 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=GrantCounty+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 |
| | | Pendleton County | KY | 21191 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=PendletonCounty+KY |
| | | Christian County | KY | 21047 | | Clarksville, TN-KY 17300 | | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=ChristianCounty+KY |
| | | Trigg County | KY | 21221 | | Clarksville, TN-KY 17300 | | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=TriggCounty+KY |
| | | Clay County | KY | 21051 | | Corbin, KY 18340 | Middlesborough-Corbin, KY 371 | Outlying | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ClayCounty+KY |
| | | Knox County | KY | 21121 | | Corbin, KY 18340 | Middlesborough-Corbin, KY 371 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=KnoxCounty+Kentucky |
