| | | Bartholomew County | IN | 18005 | | Columbus, IN 18020 | Indianapolis-Carmel-Muncie,
IN 294 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=BartholomewCounty+IN |
| | | Blackford County | IN | 18009 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BlackfordCounty+IN |
| | | Carroll County | IN | 18015 | | Lafayette-West Lafayette,
IN 29200 | Lafayette-West
Lafayette-Frankfort, IN 320 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=CarrollCounty+IN |
| | | Cass County | IN | 18017 | | Logansport, IN 30900 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=CassCounty+IN |
| | | Clay County | IN | 18021 | | Terre Haute, IN 45460 | | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ClayCounty+IN |
| | | Clinton County | IN | 18023 | | Frankfort, IN 23140 | Lafayette-West
Lafayette-Frankfort, IN 320 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ClintonCounty+IN |
| | | Decatur County | IN | 18031 | | Greensburg, IN 24700 | Indianapolis-Carmel-Muncie,
IN 294 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=DecaturCounty+IN |
| | | DeKalb County | IN | 18033 | | Auburn, IN 12140 | Fort
Wayne-Huntington-Auburn,
IN 258 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=DeKalbCounty+IN |
| | | Dubois County | IN | 18037 | | Jasper, IN 27540 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=DuboisCounty+IN |
| | | Elkhart County | IN | 18039 | | Elkhart-Goshen, IN 21140 | South
Bend-Elkhart-Mishawaka,
IN-MI 515 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ElkhartCounty+IN |
