| | Harding County | SD | 46063 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=HardingCounty+SD |
| | Hughes County | SD | 46065 | | Pierre, SD 38180 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=HughesCounty+SD |
| | Hutchinson County | SD | 46067 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=HutchinsonCounty+SD |
| | Hyde County | SD | 46069 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=HydeCounty+SD |
| | Jackson County | SD | 46071 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=JacksonCounty+SD |
| | Jerauld County | SD | 46073 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=JerauldCounty+SD |
| | Jones County | SD | 46075 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=JonesCounty+SD |
| | Kingsbury County | SD | 46077 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=KingsburyCounty+SD |
| | Lake County | SD | 46079 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LakeCounty+SD |
| | Lawrence County | SD | 46081 | | Spearfish, SD 43940 | Rapid City-Spearfish, SD 452 | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=LawrenceCounty+SD |