| | 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 |
| | Tripp County | SD | 46123 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=TrippCounty+SD |
| | Walworth County | SD | 46129 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WalworthCounty+SD |
| | Ziebach County | SD | 46137 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ZiebachCounty+SD |
| | Brown County | SD | 46013 | | Aberdeen, SD 10100 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BrownCounty+SD |
| | Edmunds County | SD | 46045 | | Aberdeen, SD 10100 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=EdmundsCounty+SD |
| | Brookings County | SD | 46011 | | Brookings, SD 15100 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=BrookingsCounty+SD |
| | Beadle County | SD | 46005 | | Huron, SD 26700 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BeadleCounty+SD |
| | Davison County | SD | 46035 | | Mitchell, SD 33580 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DavisonCounty+SD |