| | | 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 |
| | | Sandusky County | OH | 39143 | | Fremont, OH 23380 | Cleveland-Akron-Canton,
OH 184 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SanduskyCounty+OH |
| | | Scioto County | OH | 39145 | | Portsmouth, OH 39020 | Charleston-Huntington-Ashland,
WV-OH-KY 170 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SciotoCounty+OH |
| | | Seneca County | OH | 39147 | | Tiffin, OH 45660 | Findlay-Tiffin, OH 248 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SenecaCounty+OH |
| | | Shelby County | OH | 39149 | | Sidney, OH 43380 | Dayton-Springfield-Kettering,
OH 212 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ShelbyCounty+OH |
| | | Stark County | OH | 39151 | | Canton-Massillon, OH 15940 | Cleveland-Akron-Canton,
OH 184 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=StarkCounty+OH |
| | | Summit County | OH | 39153 | | Akron, OH 10420 | Cleveland-Akron-Canton,
OH 184 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SummitCounty+OH |
| | | Trumbull County | OH | 39155 | | Youngstown-Warren, OH 49660 | Youngstown-Warren-Salem,
OH 566 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=TrumbullCounty+OH |
| | | Tuscarawas County | OH | 39157 | | New Philadelphia-Dover,
OH 35420 | Cleveland-Akron-Canton,
OH 184 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=TuscarawasCounty+OH |
| | | Union County | OH | 39159 | | Columbus, OH 18140 | Columbus-Marion-Zanesville,
OH 198 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=UnionCounty+OH |
