| | | Ashland County | OH | 39005 | | Ashland, OH 11740 | Mansfield-Ashland-Bucyrus,
OH 360 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=AshlandCounty+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 |
| | | Richland County | OH | 39139 | | Mansfield, OH 31900 | Mansfield-Ashland-Bucyrus,
OH 360 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=RichlandCounty+OH |
| | | Washington County | OH | 39167 | | Marietta, OH 31930 | Parkersburg-Marietta-Vienna,
WV-OH 425 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WashingtonCounty+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 |
| | | Columbiana County | OH | 39029 | | Salem, OH 41400 | Youngstown-Warren-Salem,
OH 566 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ColumbianaCounty+OH |
| | | Mahoning County | OH | 39099 | | Youngstown-Warren, OH 49660 | Youngstown-Warren-Salem,
OH 566 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=MahoningCounty+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 |
