| | | Jasper County | IN | 18073 | Lake County-Porter
County-Jasper County, IN 29414 | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=JasperCounty+Indiana |
| | | Lake County | IN | 18089 | Lake County-Porter
County-Jasper County, IN 29414 | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=LakeCounty+Indiana |
| | | Newton County | IN | 18111 | Lake County-Porter
County-Jasper County, IN 29414 | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=NewtonCounty+Indiana |
| | | 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 | in metro of > 1m | manufacturing-dependent | https://maps.google.com/?q=PorterCounty+Indiana |
