| | | Geauga County | OH | 39055 | | Cleveland, OH 17410 | Cleveland-Akron-Canton,
OH 184 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=GeaugaCounty+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 |
| | | Guernsey County | OH | 39059 | | Cambridge, OH 15740 | Columbus-Marion-Zanesville,
OH 198 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GuernseyCounty+OH |
| | | Hamilton County | OH | 39061 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=HamiltonCounty+OH |
| | | Hancock County | OH | 39063 | | Findlay, OH 22300 | Findlay-Tiffin, OH 248 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=HancockCounty+OH |
| | | Huron County | OH | 39077 | | Norwalk, OH 35940 | Cleveland-Akron-Canton,
OH 184 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=HuronCounty+OH |
| | | Jefferson County | OH | 39081 | | Weirton-Steubenville,
WV-OH 48260 | Pittsburgh-Weirton-Steubenville,
PA-OH-WV 430 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JeffersonCounty+OH |
| | | Knox County | OH | 39083 | | Mount Vernon, OH 34540 | Columbus-Marion-Zanesville,
OH 198 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=KnoxCounty+OH |
| | | Lake County | OH | 39085 | | Cleveland, OH 17410 | Cleveland-Akron-Canton,
OH 184 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=LakeCounty+OH |
| | | Lawrence County | OH | 39087 | | Huntington-Ashland,
WV-KY-OH 26580 | Charleston-Huntington-Ashland,
WV-OH-KY 170 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LawrenceCounty+OH |
