| | Turner County | SD | 46125 | | Sioux Falls, SD-MN 43620 | | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=TurnerCounty+SD |
| | Ziebach County | SD | 46137 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ZiebachCounty+SD |
| | Buffalo County | SD | 46017 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=BuffaloCounty+SD |
| | Clay County | SD | 46027 | | Vermillion, SD 46820 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ClayCounty+SouthDakota |
| | Custer County | SD | 46033 | | Rapid City, SD 39660 | Rapid City-Spearfish, SD 452 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=CusterCounty+SD |
| | Dewey County | SD | 46041 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=DeweyCounty+SD |
| | Fall River County | SD | 46047 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=FallRiverCounty+SD |
| | Hughes County | SD | 46065 | | Pierre, SD 38180 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=HughesCounty+SD |
| | Meade County | SD | 46093 | | Rapid City, SD 39660 | Rapid City-Spearfish, SD 452 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=MeadeCounty+SD |
| | Todd County | SD | 46121 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ToddCounty+SD |