| | | Marshall County | IN | 18099 | | Plymouth, IN 38500 | South
Bend-Elkhart-Mishawaka,
IN-MI 515 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=MarshallCounty+IN |
| | | Wayne County | IN | 18177 | | Richmond, IN 39980 | Richmond-Connersville, IN 458 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WayneCounty+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 |
| | | St. Joseph County | IN | 18141 | | South Bend-Mishawaka,
IN-MI 43780 | South
Bend-Elkhart-Mishawaka,
IN-MI 515 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=St.JosephCounty+IN |
| | | Clay County | IN | 18021 | | Terre Haute, IN 45460 | | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ClayCounty+IN |
| | | Sullivan County | IN | 18153 | | Terre Haute, IN 45460 | | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=SullivanCounty+IN |
| | | Vermillion County | IN | 18165 | | Terre Haute, IN 45460 | | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=VermillionCounty+IN |
| | | Vigo County | IN | 18167 | | Terre Haute, IN 45460 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=VigoCounty+IN |
| | | Knox County | IN | 18083 | | Vincennes, IN 47180 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=KnoxCounty+IN |
| | | Wabash County | IN | 18169 | | Wabash, IN 47340 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=WabashCounty+IN |
