| | | Pike County | IN | 18125 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=PikeCounty+IN |
| | | Sullivan County | IN | 18153 | | Terre Haute, IN 45460 | | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=SullivanCounty+IN |
| | | Allen County | IN | 18003 | | Fort Wayne, IN 23060 | Fort
Wayne-Huntington-Auburn,
IN 258 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=AllenCounty+IN |
| | | Boone County | IN | 18011 | | Indianapolis-Carmel-Greenwood,
IN 26900 | Indianapolis-Carmel-Muncie,
IN 294 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BooneCounty+IN |
| | | Clark County | IN | 18019 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClarkCounty+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 |
| | | Fayette County | IN | 18041 | | Connersville, IN 18220 | Richmond-Connersville, IN 458 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=FayetteCounty+IN |
| | | Floyd County | IN | 18043 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=FloydCounty+IN |
| | | Franklin County | IN | 18047 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=FranklinCounty+IN |
