| | Henry County | IN | 18065 | | New Castle, IN 35220 | Indianapolis-Carmel-Muncie,
IN 294 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=HenryCounty+IN |
| | Huntington County | IN | 18069 | | Huntington, IN 26540 | Fort
Wayne-Huntington-Auburn,
IN 258 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=HuntingtonCounty+IN |
| | Jackson County | IN | 18071 | | Seymour, IN 42980 | Indianapolis-Carmel-Muncie,
IN 294 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JacksonCounty+IN |
| | Jay County | IN | 18075 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JayCounty+IN |
| | Jefferson County | IN | 18077 | | Madison, IN 31500 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JeffersonCounty+IN |
| | Jennings County | IN | 18079 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JenningsCounty+Indiana |
| | Knox County | IN | 18083 | | Vincennes, IN 47180 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=KnoxCounty+IN |
| | Kosciusko County | IN | 18085 | | Warsaw, IN 47700 | South
Bend-Elkhart-Mishawaka,
IN-MI 515 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=KosciuskoCounty+IN |
| | LaGrange County | IN | 18087 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=LaGrangeCounty+IN |
| | Lawrence County | IN | 18093 | | Bedford, IN 13260 | Bloomington-Bedford, IN 144 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LawrenceCounty+IN |