| | Sioux County | ND | 38085 | | | | | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=SiouxCounty+ND |
| | Sargent County | ND | 38081 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=SargentCounty+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 |
| | Williams County | ND | 38105 | | Williston, ND 48780 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=WilliamsCounty+ND |
| | 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 |