| | Oglala Lakota County | SD | 46102 | | | | | | | https://maps.google.com/?q=OglalaLakotaCounty+SD |
| | Pennington County | SD | 46103 | | Rapid City, SD 39660 | Rapid City-Spearfish, SD 452 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PenningtonCounty+SD |
| | Perkins County | SD | 46105 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PerkinsCounty+SD |
| | Potter County | SD | 46107 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PotterCounty+SD |
| | Roberts County | SD | 46109 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RobertsCounty+SD |
| | Sanborn County | SD | 46111 | | Mitchell, SD 33580 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SanbornCounty+SD |
| | Spink County | SD | 46115 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SpinkCounty+SD |
| | Stanley County | SD | 46117 | | Pierre, SD 38180 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=StanleyCounty+SD |
| | Sully County | SD | 46119 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SullyCounty+SD |
| | Todd County | SD | 46121 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ToddCounty+SD |