| | Orange County | IN | 18117 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=OrangeCounty+IN |
| | Parke County | IN | 18121 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ParkeCounty+IN |
| | Perry County | IN | 18123 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=PerryCounty+IN |
| | Pike County | IN | 18125 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=PikeCounty+IN |
| | Pulaski County | IN | 18131 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=PulaskiCounty+IN |
| | Randolph County | IN | 18135 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=RandolphCounty+IN |
| | Ripley County | IN | 18137 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RipleyCounty+IN |
| | Rush County | IN | 18139 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RushCounty+IN |
| | Scott County | IN | 18143 | | | | | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ScottCounty+IN |
| | Spencer County | IN | 18147 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=SpencerCounty+IN |