| | | Porter County | IN | 18127 | Lake County-Porter
County-Jasper County, IN 29414 | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=PorterCounty+Indiana |
| | | 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 |
| | | Steuben County | IN | 18151 | | Angola, IN 11420 | Fort
Wayne-Huntington-Auburn,
IN 258 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SteubenCounty+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 |
| | | Vanderburgh County | IN | 18163 | | Evansville, IN 21780 | Evansville-Henderson,
IN-KY 241 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=VanderburghCounty+IN |
| | | Vigo County | IN | 18167 | | Terre Haute, IN 45460 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=VigoCounty+IN |
| | | Wabash County | IN | 18169 | | Wabash, IN 47340 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=WabashCounty+IN |
| | | Warrick County | IN | 18173 | | Evansville, IN 21780 | Evansville-Henderson,
IN-KY 241 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WarrickCounty+IN |
| | | Wayne County | IN | 18177 | | Richmond, IN 39980 | Richmond-Connersville, IN 458 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WayneCounty+IN |
