| | | Athens County | OH | 39009 | | Athens, OH 11900 | Columbus-Marion-Zanesville,
OH 198 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=AthensCounty+OH |
| | | Franklin County | OH | 39049 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=FranklinCounty+OH |
| | | Greene County | OH | 39057 | | Dayton-Kettering-Beavercreek,
OH 19430 | Dayton-Springfield-Kettering,
OH 212 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=GreeneCounty+OH |
| | | Noble County | OH | 39121 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=NobleCounty+OH |
| | | Portage County | OH | 39133 | | Akron, OH 10420 | Cleveland-Akron-Canton,
OH 184 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=PortageCounty+OH |
| | | Ross County | OH | 39141 | | Chillicothe, OH 17060 | Columbus-Marion-Zanesville,
OH 198 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=RossCounty+OH |
| | | Ashtabula County | OH | 39007 | | Cleveland, OH 17410 | Cleveland-Akron-Canton,
OH 184 | Outlying | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=AshtabulaCounty+Ohio |
| | | Auglaize County | OH | 39011 | | Wapakoneta, OH 47540 | Lima-Van Wert-Celina, OH 338 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=AuglaizeCounty+OH |
| | | Champaign County | OH | 39021 | | Urbana, OH 46500 | Dayton-Springfield-Kettering,
OH 212 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ChampaignCounty+OH |
| | | Coshocton County | OH | 39031 | | Coshocton, OH 18740 | Cleveland-Akron-Canton,
OH 184 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=CoshoctonCounty+OH |
