| | | 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 |
| | | 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 |
| | | 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 |
| | | Clinton County | OH | 39027 | | Wilmington, OH 48940 | Cincinnati-Wilmington,
OH-KY-IN 178 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ClintonCounty+OH |
| | | Columbiana County | OH | 39029 | | Salem, OH 41400 | Youngstown-Warren-Salem,
OH 566 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ColumbianaCounty+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 |
| | | Crawford County | OH | 39033 | | Bucyrus, OH 15340 | Mansfield-Ashland-Bucyrus,
OH 360 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=CrawfordCounty+OH |
| | | Darke County | OH | 39037 | | Greenville, OH 24820 | Dayton-Springfield-Kettering,
OH 212 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=DarkeCounty+OH |
| | | Defiance County | OH | 39039 | | Defiance, OH 19580 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=DefianceCounty+OH |
