| | | Putnam County | IN | 18133 | | Greencastle, IN 24600 | Indianapolis-Carmel-Muncie,
IN 294 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PutnamCounty+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 |
| | | Scott County | IN | 18143 | | | | | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ScottCounty+IN |
| | | Shelby County | IN | 18145 | | Indianapolis-Carmel-Greenwood,
IN 26900 | Indianapolis-Carmel-Muncie,
IN 294 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ShelbyCounty+IN |
| | | Sullivan County | IN | 18153 | | Terre Haute, IN 45460 | | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=SullivanCounty+IN |
| | | Tippecanoe County | IN | 18157 | | Lafayette-West Lafayette,
IN 29200 | Lafayette-West
Lafayette-Frankfort, IN 320 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=TippecanoeCounty+IN |
| | | Union County | IN | 18161 | | | | | metro county (urban) | nonspecialized | https://maps.google.com/?q=UnionCounty+IN |
| | | Vanderburgh County | IN | 18163 | | Evansville, IN 21780 | Evansville-Henderson,
IN-KY 241 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=VanderburghCounty+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 |
