UpAlphabetical listing of Places in South Dakota
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Kadoka | city | South Dakota | United States | 43.83 | -101.51 | 2509 | |
| Kadoka Junction | city | South Dakota | United States | 43.84 | -101.52 | 2509 | |
| Kampeska | city | South Dakota | United States | 44.88 | -97.27 | 1758 | |
| Kargas Subdivision | city | South Dakota | United States | 43.69 | -98.03 | 1669 | |
| Karinen | city | South Dakota | United States | 45.90 | -103.67 | 3480 | |
| Kaylor | city | South Dakota | United States | 43.19 | -97.84 | 1669 | |
| Keefton (historical) | city | South Dakota | United States | 44.74 | -97.86 | 1669 | |
| Keldron | city | South Dakota | United States | 45.93 | -101.81 | 2509 | |
| Kenel | city | South Dakota | United States | 45.86 | -100.46 | 2001 | |
| Kennebec | city | South Dakota | United States | 43.90 | -99.86 | 1689 | |
| Kennedyville | city | South Dakota | United States | 43.92 | -103.52 | 5029 | |
| Keyapaha | city | South Dakota | United States | 43.11 | -100.14 | 2509 | |
| Keystone | city | South Dakota | United States | 43.90 | -103.42 | 5029 | |
| Kidder | city | South Dakota | United States | 45.88 | -97.71 | 1669 | |
| Kimball | city | South Dakota | United States | 43.75 | -98.96 | 1778 | |
| Kingsburg | city | South Dakota | United States | 42.91 | -97.93 | 1669 | |
| Kirk | city | South Dakota | United States | 44.34 | -103.79 | 5334 | |
| Kirley | city | South Dakota | United States | 44.52 | -101.31 | 2509 | |
| Klein Subdivision | city | South Dakota | United States | 43.52 | -96.83 | 1669 | |
| Komstad (historical) | city | South Dakota | United States | 43.04 | -96.90 | 1669 | |
| Kones Corner | city | South Dakota | United States | 44.73 | -97.11 | 1758 | |
| Kranzburg | city | South Dakota | United States | 44.89 | -96.92 | 1981 | |
| Kyle | city | South Dakota | United States | 43.42 | -102.18 | 3349 | |
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