| | Cass County | ND | 38017 | | Fargo, ND-MN 22020 | Fargo-Wahpeton, ND-MN 244 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=CassCounty+ND |
| | Morton County | ND | 38059 | | Bismarck, ND 13900 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=MortonCounty+ND |
| | Stutsman County | ND | 38093 | | Jamestown, ND 27420 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=StutsmanCounty+ND |
| | Ward County | ND | 38101 | | Minot, ND 33500 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WardCounty+ND |
| | Bowman County | ND | 38011 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=BowmanCounty+ND |
| | Dunn County | ND | 38025 | | Dickinson, ND 19860 | | Outlying | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=DunnCounty+ND |
| | McKenzie County | ND | 38053 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=McKenzieCounty+ND |
| | Mercer County | ND | 38057 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=MercerCounty+ND |
| | Mountrail County | ND | 38061 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=MountrailCounty+ND |
| | Stark County | ND | 38089 | | Dickinson, ND 19860 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=StarkCounty+ND |