| | Allen County | KY | 21003 | | Bowling Green, KY 14540 | Bowling Green-Glasgow, KY 150 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=AllenCounty+KY |
| | Barren County | KY | 21009 | | Glasgow, KY 23980 | Bowling Green-Glasgow, KY 150 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BarrenCounty+KY |
| | Butler County | KY | 21031 | | Bowling Green, KY 14540 | Bowling Green-Glasgow, KY 150 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ButlerCounty+KY |
| | Edmonson County | KY | 21061 | | Bowling Green, KY 14540 | Bowling Green-Glasgow, KY 150 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=EdmonsonCounty+KY |
| | Metcalfe County | KY | 21169 | | Glasgow, KY 23980 | Bowling Green-Glasgow, KY 150 | Outlying | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=MetcalfeCounty+KY |
| | Warren County | KY | 21227 | | Bowling Green, KY 14540 | Bowling Green-Glasgow, KY 150 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WarrenCounty+KY |