| | Harrison County | IA | 19085 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=HarrisonCounty+IA |
| | Howard County | IA | 19089 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=HowardCounty+IA |
| | Keokuk County | IA | 19107 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=KeokukCounty+IA |
| | Kossuth County | IA | 19109 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=KossuthCounty+IA |
| | Lyon County | IA | 19119 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=LyonCounty+IA |
| | Monona County | IA | 19133 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=MononaCounty+IA |
| | O'Brien County | IA | 19141 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=O'BrienCounty+IA |
| | Osceola County | IA | 19143 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=OsceolaCounty+IA |
| | Palo Alto County | IA | 19147 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PaloAltoCounty+IA |
| | Pocahontas County | IA | 19151 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PocahontasCounty+IA |