| | | Adams County | IN | 18001 | | Decatur, IN 19540 | Fort
Wayne-Huntington-Auburn,
IN 258 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=AdamsCounty+IN |
| | | Blackford County | IN | 18009 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BlackfordCounty+IN |
| | | Cass County | IN | 18017 | | Logansport, IN 30900 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=CassCounty+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 |
| | | Crawford County | IN | 18025 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CrawfordCounty+IN |
| | | Daviess County | IN | 18027 | | Washington, IN 47780 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DaviessCounty+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 |
| | | Fayette County | IN | 18041 | | Connersville, IN 18220 | Richmond-Connersville, IN 458 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=FayetteCounty+IN |
