| | Vinton County | OH | 39163 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=VintonCounty+OH |
| | Williams County | OH | 39171 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=WilliamsCounty+OH |
| | Wood County | OH | 39173 | | Toledo, OH 45780 | | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=WoodCounty+Ohio |
| | Wyandot County | OH | 39175 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=WyandotCounty+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 |
| | 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 |
| | Brown County | OH | 39015 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=BrownCounty+OH |
| | Butler County | OH | 39017 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ButlerCounty+OH |
| | Clermont County | OH | 39025 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClermontCounty+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 |